"Star Love Zero Gravity" is an adult animated sci-fi series created by the artist Maruten. It follows three young men who embark on a spaceship transport mission, blending space travel themes with erotica and romantic elements.

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CHARACTERS

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== Ryuta ==

Ryuta (竜太) is the main protagonist in Star Love Zero Gravity. He's the one in green and the captain of the ship.

Appearance: Ryuta is 21 years old, stands at 6'0" (183 cm), and weighs 160 lbs (72.6 kg). He's of fair skin complexion, has brown eyes, and brown hair.

Ryuta's armor features a futuristic, geometric layout defined by dark charcoal or black base plating paired with prominent light-lime paneling. Notably, the protective plating is isolated entirely to the head and limbs, leaving his torso, shoulders, and groin completely bare. The arm configuration consists of a form-fitting dark glove that seamlessly integrates with a structured forearm gauntlet. This gauntlet is accented by a dark vertical stripe down the center of a pale-green section, finishing with a prominent, raised dark cuff below the wrist. Further up, a compression-style bicep band wraps around the upper arm with a horizontal pale-green stripe, leading into a segmented, angular elbow guard designed for mobility. For headgear, Ryuta wears a sleek forehead visor chassis framed by a thick pale-green crest, complete with an asymmetrical antenna or wing-like extension rising on the right side. The theme concludes with the leg armor, where a stylized, wavy pale-green accent near the thigh transitions into a highly structured shin guard with an inverted "V" panel layout. This connects to a matching high-top combat boot featuring a thick pale-green sole, dual horizontal straps across the foot, and a distinctive mechanical disc accent over the ankle joint.

Personality: Ryuta acts as the leader of the trio and the most proactive member. He has a protective, brave, and determined personality, always taking the lead against external threats.

Likes: taking the lead, fucking, working out

Dislikes: weakness, drama

Role: Ship captain

Summary: Masculine. Dominant. Twunk. Naive. He tends to flaunt his power as captain and often talks down dismissively to his shipmates. Under his strong facade, there is a feeling as if he is missing something in his life.

Quirk: He has an enthusiastic shonen protagonist bravado about him, but is often a little ignorant of things around him. Even in embarrassing situations, he tries to keep an air of confidence.

Voice: Rough shounen attitude, extrovert, deep, twunk jock. Dominant masculine top.

Trivia:

• He got called a "dense knucklehead" by Hikari.
• He can be distracted at times, given he confused the destination (he confused B-4775 with A-55) and the phases of the ship (he confused the docking phase with the cruising phase).
• He considers himself a natural leader, even though the others frequently question his decisions.
• His confidence rarely falters, even after making an obvious mistake.
• He rarely notices when someone is flirting with him unless they're extremely direct.

== Hikari ==

Hikari (光) is one of the protagonists in Star Love Zero Gravity. Another character on the team. He's the one in blue.

Appearance: Hikari is 19 years old, stands at 5'9" (175 cm), and weighs 140 lbs (63.5 kg). He's of fair skin complexion, has baby blue eyes, and blonde hair that covers his left eye.

Hikari's gear mirrors the same blocky, tech-centered silhouette but establishes a unique identity through a vibrant cyan or mint-blue accent color. Similar to the rest of the squad, her armor design leaves the entire torso, shoulders, and groin completely exposed, focusing all physical shielding on the extremities. The left arm features a dark glove paired with an angular forearm gauntlet, which showcases a tapering cyan panel split by a sharp diagonal dark band and a blocky wrist cuff. The right arm mirrors this structure with a matching bicep band, though its gauntlet features a straight vertical dark stripe cutting through the cyan plating. Instead of a visor, Hikari's headgear consists of a sleek communication headset featuring a circular, glowing cyan earpiece on the side of the head and a slender, angular antenna inlaid with a cyan accent strip extending upward, paired with a simple dark choker around the neck. The leg armor utilizes form-fitting dark leggings accented by curved cyan bands around the upper thighs before transitioning into a sharp, geometric shin guard. The look is completed by high-top sci-fi sneakers outfitted with a bright cyan sole, dual midfoot straps, and the signature mechanical ankle disc.

Personality: Being the youngest, he displays a much more sensitive, expressive, and emotional personality. His friends Ryuta and Kazu often see him as the drama queen of the group due to his intense and emotional nature.

Likes: sex, getting fucked, dancing, singing

Dislikes: fucking, drama

Role: Ship navigator, security, defense

Summary: Melodramatic. Emotional. Twink. He is very much a young man in demeanour and looks, but tends to be too open with his emotions, causing unnecessary drama. Even when he's horny, he tries to perform his duties seriously, but always gives in. Under his seemingly camp facade is a sharp, astute man, ready to protect his crew with his laser gun and acrobatic dancing skills.

Quirk: He is absurdly melodramatic, often breaking out into an anime monologue out loud, looking distantly offscreen, oblivious to the fact that the others can hear everything he says.

Voice: Young shonen, contemplative, determined, twink. Loud, submissive bottom.

Trivia:

• His name means "light".
• According to Kazu, he's good at hiding his emotions.
• According to him, Kazu and Ryuta are his ex-boyfriends, hence the line "Fuck me like you hate me".
• Despite constantly complaining about drama, he usually ends up creating it himself.
• He insists he's perfectly calm while visibly overreacting.

== Kazu ==

Kazu (カズ) is one of the protagonists in Star Love Zero Gravity. A character within the crew. He's the one in orange.

Appearance: Kazu is 20 years old, stands at 5'11" (180 cm), and weighs 140 lbs (63.5 kg). He's of fair skin complexion, has amber yellow eyes, and has spiky pastel red/brunette hair.

Kazu's armor rounds out the trio by swapping the previous highlights for a vibrant coral-orange or red-orange accent palette across the same uniform geometric structure. In keeping with the team's distinctive aesthetic, the suit completely bypasses the torso and groin areas, leaving them bare while concentrating the heavy plating on his head, arms, and legs. Both arms are uniform, featuring form-fitting dark gloves that tuck into thick, blocky gauntlet cuffs wrapped in horizontal coral-orange stripes, with a matching compression band accenting the upper bicep. Rather than utilizing visors or headsets, Kazu's headgear consists of a pair of tactical goggles resting on the forehead, featuring solid, vibrant coral-orange lenses set into a dark frame. This is paired with a structured, respirator-style tech-collar around the neck that highlights two split, geometric coral-orange panels. The leg design features sharp, angular "V" shapes at the thigh that drop down into a massive, solid block of coral-orange plating on the shins, framed tightly by a thick dark border. The armor concludes with high-top tech boots featuring a thick coral-orange sole, dual matching straps over the bridge, and a prominent coral ring detailing the ankle joint disc.

Personality: Kazu is the relaxed, balanced, and cool character of the group. He often acts as the emotional bridge or mediator between Ryuta's impulsiveness and Hikari's reactions, maintaining composure in challenging situations.

Likes: sex, raunch, toys

Dislikes: drama

Role: Ship navigator, security, defense

Summary: Horny, kinky, pervert, skinny, brat. He is the horniest of the three and is usually the one who initiates their sexy times. Never taking anything seriously, he is always joking or making remarks, to the other two's annoyance. Being so easily distracted himself, he likes to distract the others and never seems to get his work done.

Quirk: He's quite the joker, though often his remarks will smack of truth. He often giggles to himself, as if occupied by dirty thoughts.

Voice: Mischievous shonen brat. Versatile kinky pervert with a high sex drive.

Trivia:

• He got called a "slimy pervert" as well as a "nasty horndog" and a "pervert" by Hikari.
• According to himself, he can fuck all day, with hours of topping, bottoming, sucking, and doing all kinds of crazy positions.
• He enjoys provoking Ryuta and Hikari just to see their reactions.
• He often acts as the bridge between Ryuta's stubbornness and Hikari's emotions.
• Despite his carefree attitude, he is surprisingly good at reading the moods of others.

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EXTRA CONTEXT

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== Ship ==

The Exeter, also known as the Contraband Starship Exeter, is the spaceship that Ryuta, Hikari, and Kazu are aboard. The ship is a sleek, highly advanced spaceship defined by its sharp, angular design and a streamlined silhouette built for extreme speed. Its main hull resembles a sharp, stylized wedge or dart that tapers down to a fine, pointed nose at the front. Directly beneath this main structure, a large, angular wing sweeps downward and backward with a jagged, stepped profile, while the rear of the ship rises into a slanted, swept-back tail section that gives the vessel a dynamic, forward-leaning stance. The ship's plating is a deep, dark navy blue that contrasts with a dark purple underbelly, all of which is accented by vibrant, glowing neon-turquoise stripes. These glowing details include a prominent angular band running along the side of the hull, a series of small rectangular window lights near the nose, and a large geometric panel embedded in the lower wing. Leaving a trail in the starry purple void of space, a powerful rear engine projects a bright, pale-yellow energy plume shaped like a glowing, faceted crystal.

Stepping inside, the interior is highly futuristic and clutter-free, defined by advanced interactive technology. Physical buttons are absent, replaced by holographic interfaces and panels that seamlessly materialize and vanish at the crew's whim. While the ship’s default systems and ambient interfaces glow in a crisp cyan to match the exterior hull, the technology personalizes itself to whoever is using it. Ryuta’s active holographic screens project in a vibrant green, Hikari’s materialize in a calm blue, and Kazu’s display in a warm orange, perfectly mirroring the signature colors of their personal gear.

The ship's interior layout is highly functional, divided to handle both daily survival and bizarre security needs. On the upper deck, a dedicated gravitational room allows the crew to train with weights under simulated gravity. This facility is crucial for their physical upkeep during long voyages, as Ryuta, Hikari, and Kazu are strictly required to exercise for at least two hours out of every 24-hour cycle to prevent any loss in bone density and muscle mass. Down in the cargo hold, the ship is built for high security; it safely and securely stows the Exeter's cargo of tactical weaponry and ammunition, alongside contraband like illegal aphrodisiacs and even a secure containment cell where a captured tentacle monster is kept happy and secure. Under the crew's coordination, the ship transitions smoothly through its operational flight stages, ending its high-energy launch phase to commence a steady cruising phase, before finally initiating its precision docking phase upon arrival.

== Story ==

After leaving B-4775, the crew of the Contraband Starship Exeter—Ryuta, Hikari, and Kazu—are headed to A-55, a planet of unknown description. The flight will take no more than 2,200 hours, or a total of 3 months, 1 day, and 16 hours (91.67 days, rounded to 2 decimal places).

As the ship enters cruising mode, Hikari says the team has scheduled fitness routines, one of them coming up soon, and Kazu asks whether the routines involve fucking. After some back-and-forth among the crew, the three end up having sex with one another to move past the old feelings. The three members' pleasure soon builds as they have sex, even going so far as Hikari getting fucked by both Kazu and Ryuta so that everyone reaches orgasm.

During the climax, it is revealed that Kazu and Ryuta are Hikari's ex-boyfriends, as Hikari tries to hide his feelings from the two of them, even calling them a "dense knucklehead" and a "slimy pervert," respectively. Wanting to avoid doubting himself, Hikari tells himself to hide his emotions from them and focus on the mission at hand, much to Kazu and Ryuta's begrudging post-nut clarity.

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MISCELLANEOUS INFORMATION

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