Rule 34 Dev - 3boys black_hair black_shirt blue_hair blue_sweater bubble_tea closed_eyes collared_shirt cup grey_eyes grey_hair highres idolish7 isumi_haruka izumi_iori light_blue_hair looking_at_another looking_at_viewer male_focus multiple_boys shirt short_hair smile sweater umeno_t white_shirt yellow_eyes yotsuba_tamaki|18342357579