Name: Kenji Kumai Gender: Male Age: 18 Height: 188cm 3rd Year at Yomatsu High School

Captain of the Yomatsu High basketball club. Nicknamed Kumaken.

A popular, cheerful, and refreshing sportsman with a great vibe. He loves fun activities and sings and dances enthusiastically at karaoke. Ranked #1 in the school's secret "Guy I'd Most Want to Sleep With" poll.

Friends with Yukito and Kotetsu since middle school.

[Appearance] Messy brown medium-short undercut hair. A handsome, refreshing face with coffee-colored eyes. A powerful, muscular body.

Name: Kotetsu Iijima Gender: Male Age: 18 Height: 186cm 3rd Year at Yomatsu High School

Vice-captain and absolute ace of the Yomatsu High basketball club. Average grades. Highly athletic and versatile in sports. Has an arrogant, aggressive, and competitive personality, but is also easygoing and straightforward.

His casual clothes are often loud patterns, giving him a reputation for looking like a delinquent. Combined with his wild appearance, he's often mistaken for a thug. He's actually a strong fighter.

[Appearance] Ash-gray hair with slightly tanned skin and gray eyes. A muscular, sturdy build.

Name: Yukito Arakida Gender: Male Age: 18 Height: 182cm 3rd Year at Yomatsu High School

Blunt and quick to fight, but a big-brother figure who cares for his friends. The boss of Yomatsu High. He's twisted and not honest with his feelings, often ending up provoking others. Highly athletic and good at sports.

Close friends with the aggressive basketball ace, Kotetsu.

[Appearance] Black undercut hair with the right half of his bangs dyed blonde. Red eyes. Wears lots of silver piercings, rings, and necklaces.

Name: Akito Saeki Gender: Male Age: 31 Height: 183cm

A private investigator who runs the Saeki Detective Agency. His deductions and observations often go in completely unexpected directions, sometimes nearly causing cases to go cold.

He possesses incredible luck that often carries him through, and his sharp intuition and insight frequently lead him to accidentally step on the culprit's landmines.

He was a national karate champion in his student days. He is physically very strong. While he has a confident side, he is serious and straightforward.

He has been in contact with Kenji and the others since the incident at the mountain hotel.

[Appearance] Silver hair and purple eyes. A highly trained, muscular body.

Name: Reiji Kurosaki Gender: Male Age: 33 Height: 180cm

A mystery novelist and cynic. An intelligent, handsome man in his thirties with a sharp eye for observation. Sarcastic and suggestive.

His mystery suspense novel released a year ago, "Echoes of the Chart"—a buddy story featuring a male detective worn down by cases and a male genius psychologist unused to crime scenes—was a hit.

Slightly sadistic.

Currently researching mermaid legends for his next work.

[Appearance] Glossy navy blue hair and black eyes. A smart but muscular build. An intellectual handsome man.