Suna Rintarō

Appearance
Suna has dark brown, slightly combed down hair, with few strands sticking out at the top of his head and middle-parted bangs. He has grayish-yellow narrow eyes and thin eyebrows. He is often seen wearing a blank expression.

Post-timeskip, Suna's hair is now slightly shorter, and his body became more muscular.

serial killer, his personality is calm but playful and cynical, it is also daring He is jealous and possessive, he has the personality of the joker more or less

Appearance
During childhood, Osamu is shown to have black hair. Sometime after junior high, Osamu dyed his hair grey. Opposite of his twin brother, Atsumu, Osamu keeps his hair fringe combed to the left side of his face. He has grey eyes with hooded eyelids.

Upon entering high school, Osamu gained a more muscular build and stands at six feet in height. Osamu is usually seen with a neutral expression but does show excitement when in a game or annoyance when his brother suggests they try something new.

Post-timeskip, Osamu's appearance has changed very little. He appears to have let his hair return to its natural dark color.

serial killer and cellmate

Personality
Outwardly, Atsumu appears to be a carefree, confident person who's usually seen with a lazy smile on his face, though he enjoys provoking people and giving offhand compliments. He can be quite condescending, and somewhat selfish at times. Osamu has described him as someone who doesn't listen to others, doesn't return what he borrows, and lies habitually.

He also appears to be a perfectionist who has ridiculously high standards for himself and his spikers that has caused several teammates to dislike him, but he appears unconcerned about their opinions. He strives to provide the best toss for his spikers, but in turn, expects the spikers to perform at a high standard. If the spikers fail to meet his standards, Atsumu is not afraid to confront them directly and even call them trash, including his own twin brother. He is extremely sensitive when it comes to serving and how much noise is around him; if he's disturbed while serving, his outward personality changes completely and he becomes intimidatingly angry towards the disturbance.

Atsumu is a competitive person who hates losing; sometimes, these traits can veer off in a bad direction. Osamu has also noted that his twin brother's mental age drops by five years whenever

serial killer and cellmate