The Big ImageBoard (TBIB) - aihara kaya aiming ansatsu kyoushitsu arm holding black neckwear blue hair clenched teeth closed eyes collared shirt crescent crying gun hand on another's shoulder handgun holding holding gun holding weapon koro-sensei letterboxed male focus multiple boys necktie petals pistol profile school uniform shiota nagisa shirt short hair sleeves rolled up smile tears teeth tentacles upper body vest weapon white background white shirt