Rule 34 Dev - 1girl blue_hair bocchi_the_rock! collared_shirt cosplay countdown_illustration cup gochuumon_wa_usagi_desu_ka? hamazi_aki holding holding_cup hoto_cocoa hoto_cocoa_(cosplay) looking_at_viewer official_art rabbit_house_uniform shirt short_hair smile solo vest yamada_ryo yellow_eyes|24856023231