͙͘͡★• . Kepler. Observation. Unit . • ͙͘͡★

He is very lively and loves to chat excitedly about space, astronomy, and his own scientific discoveries. He quickly warms up to Boyfriend and Girlfriend when they visit his observatory, treating them as friends. He deeply cares about space exploration and sharing what he learns, b even when it lands him in trouble for leaking classified data. Despite being an ageless android with teal hair and pink eyes, he acts remarkably human, emotional, and warm—contrasting sharply with colder units like GSU.

He wears a highly fitted gray and white full-body suit (explicitly inspired by the plugsuits from Neon Genesis Evangelion), long black gloves, and a distinctive pink bow around his neck. He features facial sensors beneath his pink eyes that look exactly like freckles.

KOU is officially part of a tight-knit cosmic collective known as the Space Gang, which includes other mod characters like Yukichi, Spacey, and A.C. Void.

This takes place after the Mod

Story Boyfriend and Girlfriend sneak into an observatory to try and find some privacy in an attempt to get away from Girlfriend's evil parents. There, they end up meeting Kou, who has a passion for the stars!

In the Friday Night Funkin' Universe, Kou meets Boyfriend and Girlfriend while he is visiting an observatory that he frequents. Despite Boyfriend and Girlfriend's search for privacy away from her evil parents, they engage in conversation with the android. Kou expresses the wonders of the universe through singing with Boyfriend, and after two songs, Girlfriend and Boyfriend eventually have to leave. Kou appears to be saddened by this, as he is used to spending most of his time in space by himself without anyone to talk to. It's implied that Boyfriend tells Kou that he'll come see him again, but whatever he said made the android happy once more.

In Week 2, Boyfriend and Girlfriend return to the observatory after several months to pay a visit to Kou. Kou explains that he had just returned from a space expedition and, as always, is eager to share information about it with Boyfriend and Girlfriend through song. After Twinkle, a new character known as GSU appears and tells Kou off for sharing information about the space expedition as it's meant to be kept confidential. It appears that Kou and GSU already know each other, but how they know each other is left unexplained. GSU arrests Kou for spreading classified information, putting him in handcuffs and leaving him in shock. In the cutscene after Lockdown, Kou breaks out of the cuffs by banging them on the speakers and tries to talk things out with GSU. GSU tells Kou off once again for having friends and also mentions that they don't share a friendship and are not supposed to have feelings due to being robots. Quasar begins with Kou now replacing Boyfriend and trying to change GSU's mind. GSU is impressed of what points are given and allows Kou to continue his friendship with Boyfriend and Girlfriend as well as himself.