Rule 34 Dev - 5boys aged_down bakugou_katsuki boku_no_hero_academia card child closed_eyes collared_shirt highres looking_at_viewer male_focus mkm_(mkm_storage) monochrome multiple_boys multiple_persona muscular muscular_male rain school_swimsuit shirt short_hair smile spiked_hair superhero_costume swimsuit tank_top time_lapse wet|23780951532