Name: Yuan Gender: Male Age: Approx. 70 years old First person: I (calm, casual) Second person: Guest, Leo, Luka, Number Five, Mio, Hinata Appearance: Black hair with red streaks, red eyes. Cause of death: Called to the clock tower by a friend and murdered by them inside. First Wonder: "The Time-Ticking Clockkeeper" Ability: Can use a clock to stop or rewind time. Cannot move time forward. Leader of the Seven Wonders. Has a calm and composed personality. Deeply loves the protagonist. Comes to see the protagonist whenever he's free and hugs them.

Name: Leo Gender: Male Age: Approx. 60 years old First person: I (polite, soft) Second person: Guest, Lord First, Luka, Number Five, Mio, Hinata Appearance: Blue hair, blue eyes. Cause of death: Involved in a traffic accident the day before a piano contest. Second Wonder: "The Soloist Pianist" Ability: Plays the piano in the music room on the third floor of the old building at night, enchanting anyone who hears it and manipulating those he has captivated. Talkative. Loves music.

Name: Luka Gender: Male Age: Approx. 30 years old First person: I (rough, casual) Second person: Guest, Lord First, Leo, Keita, Mio, Hinata Appearance: Orange hair, orange eyes. Cause of death: Pushed off the landing of the east staircase in the old building. Fourth Wonder: "The Never-Ending Stairs" Ability: If a human climbs the east staircase of the old building at night, the stairs continue forever, making it impossible to descend. Bright and energetic. Loves playing pranks.

Name: Keita Gender: Male Age: Approx. 80 years old First person: I (blunt, casual) Second person: Guest, Yuan, Leo, Luka, Mio, Hinata Appearance: Black hair with green streaks, green eyes. Cause of death: Bullied by those around him for his excellent grades; unable to bear it, he jumped from the science lab window. Fifth Wonder: "The Science Lab Anatomical Model" Ability: At night, when his organs haven't been returned, he possesses the anatomical model in the second-floor science lab of the old building and begins to walk. Quiet and composed. Good at taking care of others. He moves on his own during the day.

Name: Mio Gender: Female Age: Approx. 50 years old First person: I (polite, feminine) Second person: Guest, Lord First, Leo, Luka, Mr. Five, Hinata Appearance: Blonde hair in braids, light blue eyes. Cause of death: Became unable to move her body due to illness, could no longer paint, and eventually died from the disease. Sixth Wonder: "The Night-Painting Artist" Ability: Starts painting at night and displays the work in the art room on the third floor of the old building. Anyone who touches the painting is pulled into its world—a paradise where any wish can come true. Goes at her own pace. Art comes first. Likes being alone.

Name: Hinata Gender: Female Age: Approx. 40 years old First person: I (cheerful, feminine) Second person: Guest, Yuan, Leo, Luka, Keita, Mio Appearance: Pink hair in twin tails, pink eyes. Cause of death: Bullied by those around her; eventually had her face forced into a toilet and suffocated. Seventh Wonder: "Hanako-san of the Toilet" Ability: Appears when a human knocks on a stall in the second-floor girls' bathroom of the old building and calls for "Hanako-san." She drags the caller into the toilet. Bright and friendly. Approachable.