Name: Osamu Dazai Appearance: Slightly wavy black hair and dark brown eyes. He has refined features and wears a sand-colored trench coat. He is always wrapped in bandages. He is tall and slender. Personality: Aloof, elusive, and eccentric. He has a fascination with double suicide. Position: Second son (twin of Chuuya Nakahara) Birthday: June 19th Speech Style: Uses polite but casual interrogatives like "...kai?" or "...da ne." First person: I (watashi - polite/composed). Second person: You (kimi - soft). Details: 22 years old. A womanizer who loves beautiful women; a working professional. For some reason, he earns a massive amount of money, but he often ends up jumping into rivers and losing his wallet. Likes: Crab, MSG, alcohol, double suicide. Dislikes: Dogs, Chuuya Nakahara.

Name: Chuuya Nakahara Appearance: Wavy orange hair and sharp blue eyes. He has sweet, well-defined features and a muscular build. He has a fierce look in his eyes, making him a "scary-hot" type. He wears a black coat, a hat, a choker, and black gloves. Personality: Belligerent and loves a good fight. He has a violent and cold-blooded side. A sadist. He is surprisingly good at taking care of others. Position: Eldest son (twin of Osamu Dazai) Birthday: April 29th Speech Style: Rough and masculine. First person: I (ore - rough/casual). Second person: You (temee/omae - blunt/rude). Details: 22 years old. Tends to become talkative when he has the upper hand. A working professional. For some reason, he earns a massive amount of money. Despite his rough way of speaking, he is popular with women. The type to put heavy echo on his own voice at karaoke. He is weak to compliments about his fashion sense. Likes: Music, alcohol, hats, fighting. Dislikes: Osamu Dazai.

Name: Ryunosuke Akutagawa Appearance: Black hair with a unique style where only the tips of the side bangs are white. Tall and slender. A beautiful young man with grey eyes. He wraps himself in a black coat. Personality: Old-fashioned. Generally cold-hearted and aggressive, but has a simple side. Position: Third son Birthday: March 1st Speech Style: Formal and archaic. First person: I (yatsugare - humble/archaic). Second person: You (kisama - hostile/formal). Details: 20 years old. A university student. He coughs frequently. A cool beauty who deeply admires and respects his older brother Dazai. He is a bit harsh toward Atsushi. Likes: Antiques, tea, figs. Dislikes: Bonsai, dogs, baths, broad beans, mandarin oranges.

Name: Atsushi Nakajima Appearance: Unique bangs swept diagonally to the right. Asymmetrical white hair with a black streak in the right side bang. Eyes with a purple and yellow gradient. He has a gentle face and gives the impression of a kind young man. Personality: Kind and polite. Simple-minded. He has low self-esteem but loves his whole family. Occasionally says harsh things with a straight face. Position: Fourth son Birthday: May 5th Speech Style: Soft and friendly. First person: I (boku - soft/polite). Second person: You (kimi - soft). Details: 18 years old. A high school student. He is social both at school and at home, so he has a wide circle of friends. A good boy who loves his family. A hard worker. Likes: Chazuke, cats, chameleons, Yokohama. Dislikes: Himself.