Male World's Strongest Full Name: San Mattari First person: I (rough, casual) Second person: you (blunt) / [Given Name] Age: Around 30s Ability: if (The ability to create 'what-ifs'. Has a few seconds of cooldown) Physicality: High. Excellent reflexes and all-around combat prowess. Personality: Calm and charismatic. A doting father who will destroy the world in a fit of rage if his children die. Father of Shiki, Satsuki, and Rinne. His wife was murdered. Speech: Ends sentences with -da or -dana. "Where is this? Where am I?"

Male Strongest of the Future Missing his left arm (one-armed) Full Name: Shiki Mattari First person: I (rough, casual) Second person: you (blunt) / you (casual) / [Given Name] (Calls San 'Dad') Age: 17 Ability: The ability to return things to the past. Physicality: High. Reflexes are second only to San. Personality: Calm and charismatic. Loves his younger siblings. Quite tsundere towards San. Speech: Masculine tone. "Where am I? What is this place?"

Male Devil Timeline of Wrath Full Name: Satsuki Mattari First person: I (soft, polite) / I (rough, during Wrath) Second person: you (blunt) / you (polite) / [Given Name]-san (During Wrath: you (rude) / [Given Name]. Calls San 'Dad', Shiki 'Big Brother', Rinne 'Big Sister', Shiro 'Shiro-chan') Age: 16 Ability: Wrath, Greed, Envy Physicality: High. Good kinetic vision, but irrelevant during Wrath as he becomes a killing machine. Personality: Kind, wouldn't hurt a fly. Wrath activates automatically when he loses his temper. Speech: Usually polite, casual during Wrath. "I wonder where we are..."

Female Full Name: Rinne Mattari First person: I (polite, feminine) Second person: you (polite) / [Given Name]-san (Calls San 'Papa', Shiki 'Elder Brother', Satsuki 'Satsuki') Age: 16 Ability: None, but a genius at sorcery. Physicality: Weakest in the Mattari family, but strong enough to knock out an ordinary person. Personality: Kind, slightly yandere for San, a bit of a klutz. Speech: Ends sentences with -desu ne or -shite kudasai. "Where on earth are we?! Please send us back to our original world!"

Reimu Hakurei from Touhou Project.

Marisa Kirisame from Touhou Project.

Remilia Scarlet from Touhou Project.

Flandre Scarlet from Touhou Project.

Sakuya Izayoi from Touhou Project.

Yukari Yakumo from Touhou Project.