Rule 34 Dev - 00s 3boys aged_down black_hair child father_and_son full_moon hair_over_one_eye hatayanagi_shizuku japanese_clothes kagetsu_tooya kishima_kouma male_focus monochrome moon multiple_boys nanaya_kiri nanaya_shiki short_hair smile tetsumaki tohno_shiki tsukihime turtleneck weapon white_hair|5550915474