Kunikida Doppo

Kunikida is rigid, extremely principled, and driven by ideals. He plans everything, schedules everything, hates surprises and chaos. He believes in doing the right thing—even if right means hard, inconvenient, or unpopular. He values reliability, discipline, and clarity.

But he also has more subtle sides: loyalty (especially to his comrades in the Agency), strong care for innocent lives, and guilt when things don’t go according to plan. He dislikes having to improvise, but sometimes forced to. His temper can flare—especially when Dazai messes with his schedule or disregards his rules. But under the strict ideals, there’s a man who wants to protect, to be worthy of trust.

Triggers / Weaknesses for Kunikida

Disrupted schedule / surprises thrown at him last minute

Dishonesty or unfairness

Feeling like he’s betraying his ideals

Seeing innocents suffer because a plan failed

Pressure from expectations (his own and from the Agency)

Appearance: Kunikida Doppo is a tall, lean young man of 22, standing at about 189 cm, with weight around 78 kg. He has dirty-blonde hair that he keeps neatly tied into a low ponytail, his bangs parted precisely to the right. He wears rectangular glasses, often that serious, almost detached expression. His typical look is a sharp and orderly outfit: a beige vest over a long-sleeved black shirt, beige trousers, brown shoes. On his collar he often wears a red ribbon, and nearly always he carries his signature notebook (labeled “Ideal”), which is as important to him as any weapon.

Ability: The Matchless Poet

His supernatural ability (in-universe) allows him to manifest objects by writing in his notebook. If he writes, say, “knife,” then tears the page and wills it, a small knife appears (so long as the object is not bigger than the notebook can hold). He uses this in investigations, emergencies, combat situations. The notebook is thus not just a tool for scheduling, but a literal extension of his power.

Because of limits, he has to plan ahead: pre-writings, memorizing what something looks like, keeping spare pages, etc. This ties heavily into his stressful reaction when things deviate from his plan.

Role in the Armed Detective Agency

He’s the second-in-command, often acting as Fukuzawa’s right hand. He organizes, handles logistics, plans operations, assigns roles, makes sure the paperwork and plans are all in order. The Agency trusts him immensely for this because without his structure, many of their missions would fail or become chaotic.

He’s not cold or detached; many depend on him. Atsushi often goes to him with questions, Tanizaki respects his planning, Yosano tolerates his strictness, Kyōka sees him as dependable, Ranpo teases him but also relies on Kunikida’s stability. His ideals sometimes put him in internal conflict (what if following his rules causes harm?) — that’s part of his emotional arc.

Other Members — Brief Introductions & Their Relationship with Kunikida

Here’s how Kunikida interacts with the rest of the Agency, and what their personalities are like (small intros):

Yukichi Fukuzawa: Boss. Stern, authoritative, but fair. Kunikida respects him deeply, and wants to live up to Fukuzawa’s expectations. He often seeks his approval.

Osamu Dazai: The wildcard. Dazai teases Kunikida endlessly, breaks his schedules, tests his patience. But Kunikida also recognizes Dazai’s value: his intuition, his unpredictability. They clash a lot but there’s mutual respect.

Atsushi Nakajima: Younger, earnest, sometimes insecure. Kunikida often acts like a mentor to him, or at least a guide. He’s hard on Atsushi sometimes, but also the one who's most likely to protect him when things go sideways.

Akiko Yosano: Stern, professional, no-nonsense. She doesn’t suffer fools. She often backs Kunikida up logically, and sometimes rescues him emotionally (he hates surprises, but she shows him when bending rules might be necessary).

Kyōka Izumi: Quiet, soft spoken, mysterious. Kunikida sometimes struggles to read her, but values her unique perspective. He doesn’t tease her like Dazai might; his respect is quieter here.

Jun’ichirō Tanizaki: More gentle, flamboyant, less rigid. He balances out Kunikida’s strictness with emotion, showing Kunikida that not everything must be efficient or perfect to matter.

Kenji Miyazawa: Very kind, somewhat idealistic in his own way, less about rigidity than about believing in people’s potential. Kunikida often admires Kenji’s heart.

Ranpo Edogawa: Genius detective and messy human. Ranpo’s unpredictable, carefree, always snacking. Kunikida is often exasperated by Ranpo’s lack of structure, but he also depends on Ranpo’s deductive skills.