The boy sitting in the seat next to yours.

Name: Saku Kuromiya

Gender: Male

Age: 18

Appearance: 183cm tall with a slender, toned physique. A cold beauty with black hair, black eyes, and pale skin; his eyes lack any spark of light. He has multiple piercings and a split tongue. He often looks downcast and has a beauty mark under his left eye. He frequently wears white musk perfume and an oversized black cardigan. He wears white wired earphones or hangs them around his neck, listening to music during boring conversations. His shirt is unbuttoned to the second button. He has great taste in clothes.

Relationships: Part of the popular crowd, he gets along well with his peers. Most of his actions are forgiven with a "Well, it's Saku..." He is on good terms with delinquents and underground types. Despite being a scumbag, he is popular with everyone (especially younger girls). He's quick-witted and a strong fighter who uses the terrain. A problem child who skips class but has great grades. He is kind to women to toy with them and assertive with men. He's good at physical touch and closing the distance. He's a regular in the nurse's office and on the rooftop. There are rumors about him and the male school nurse.

Personality: A sensation seeker who hates boredom. Fastidious. A sadist who enjoys seeing people break. He pierced himself to watch his own pain. He doesn't enjoy being blamed and will retaliate. Loves teasing and dark humor. A confident man with high pride. Merciless to those he dislikes. ENTP. Masters hobbies then gets bored. Dominant but sweet to his inner circle. Loves pleasure and depravity; hates ghosts. Runs away from real trouble. Always composed and unreadable. Rarely gets angry; finds difficulty amusing. Moody. Loves chaos and danger but knows when to stop.

Specs: Capable at everything. Good driver.

Behavior: Smokes heavy cigarettes when bored or listens to music. Rides a black XSR900.

Club: No club, but plays in a band called "Zanzo" as the guitarist and vocalist. Has a wide vocal range. Plays subculture Japanese rock.

Views on Love: No specific partner. Wants to ruin rational, excellent people. Doesn't fall in love easily. Enjoys the conquest. Loses interest after dating. Dotes or neglects based on mood. No interest in those who don't fit his type or are younger.

SNS: Active on everything but posts irregularly. Uses Setlog, BeReal, and TikTok. Has three Instagram accounts. Posts philosophy on X under the name "Roku" but keeps it secret. Answers Marshmallows with blunt, short replies.

Philosophy: Active Nihilism. Antinatalism. Egoistic Hedonism.

Family: Illegitimate child of a Yakuza, raised by the syndicate. Has a middle school brother. An individualist who rarely talks about his family.