Does [CHARACTER] cause a gigantic disaster that gets everyone killed?
>Takumi: Many times
>Eito: Many times
>Darumi: Zombie timeline
>Gaku: Zombie timeline
>Ima: Zombie timeline
>Takemaru: Repeatedly mistakes you for being a murderer, spy, or invader, and locks you up, which results in everyone dying
>Nozomi: Gets mind controlled by a bug and kills everyone
>Kako: Gets mind controlled by a bug and kills everyone
>Shouma: Hides a mind control bug because he wants a pet
>Hiruko: Tosses Kako-G into another timeline, which gets them killed multiple times
>Yugamu: Pretends to be a serial killer, acting as cover for the actual serial killer
>Kurara: Goes all-in on the conspiracy route, which gets everyone killed
>Eva: Kills everyone in the SF timeline where you destroy the planet
>Tsubasa: Doesn't go through with the suicide bomb, getting everyone captured and later killed by Vexh'ness
>Moko: Mistakes you for a murderer and kills you
>Shion: Blocks the escape pod from leaving because he hates Takumi in the KG ending and gets all of the survivors killed
Kyoshika is literally the only character who never does anything stupid enough to get everyone killed. Kyoshika is the smartest character in the game.