1boy 1girl arm_behind_head arm_up bangs black_headwear blue_archive blush book breasts cellphone censored coat coat_removed collarbone completely_nude hair_between_eyes halo hat hetero highres holding holding_phone indoors iroha_(blue_archive) long_hair looking_at_viewer lying mosaic_censoring navel nipples nude on_back open_mouth peaked_cap penis phone pov purple_eyes red_hair sex shimokirin small_breasts smartphone smile solo_focus spread_legs thighs vaginal very_long_hair wavy_hair