1girl :q alternate_costume alternate_hairstyle arm_over_shoulder armpits artist_name ass bangs bare_shoulders black_hair blush breasts caustics closed_mouth competition_swimsuit couple darling_in_the_franxx embarrassed evening eye_contact face-to-face facing_another from_side gradient gradient_sky green_eyes hair_between_eyes hair_up hairband half-closed_eyes hand_on_own_arm hetero high_ponytail hiro_(darling_in_the_franxx) horns lipstick long_hair looking_at_another makeup medium_breasts naughty_face navel nipples ocean one-piece_swimsuit oni_horns open_mouth outdoors outstretched_arms parted_bangs picchi pink_hair ponytail profile red_horns shiny shiny_hair shirtless sidelocks signature sky standing star stomach surprised swimsuit tongue tongue_out very_long_hair wading water waves white_hairband white_swimsuit wide-eyed zero_two_(darling_in_the_franxx)