1girl alternate_costume armpits bare_arms bare_legs bare_shoulders bikini blue_archive blush breasts double_bun fingernails grin groin hair_bun hand_on_hip highres ichika_(ichi_ka0) loli looking_at_viewer micro_bikini mutsuki_(blue_archive) nail_polish navel purple_eyes red_bikini simple_background small_breasts smile solo string_bikini swimsuit white_background