1girl armpits arms_behind_head arms_up blue_hair breasts cleavage curvy frontal_wedgie genshin_impact grey_eyes highres huge_breasts jujunaught leg_up looking_at_viewer one_eye_closed partially_visible_vulva plump slingshot_swimsuit smile solo split standing standing_on_one_leg standing_split swimsuit thick_thighs thighs wedgie wide_hips yelan_(genshin_impact)