safebooruhttps://safebooru.org/index.php?page=atom&tags=1boy 1girl armpit cutout armpit peek black hair black leotard breasts brown eyes brown hair clothing cutout cover cover image cover page dark-skinned male dark skin gunjou shinden highres leotard medium breasts novel cover official art orange eyes short hair shrug (clothing) smile submarine textless underwater watercraft yonemura kouichirou2024-06-06T07:36:10Zsafebooru