5boys 5girls admiral_(kantai_collection) animal_ears artist_self-insert black_clothes black_hair black_shirt blonde_hair blue_shirt bottle bottomless brown_hair cigarette cross cross_necklace crossover cup dark_green_hair dark_skin demon_horns demon_wings folded_ponytail fox_ears hibiki_(kantai_collection) hood hoodie horns hug inazuma_(kantai_collection) iv_stand jewelry kamio_reiji_(yua) kantai_collection kohaku_(yua) kotatsu long_hair lying mug multiple_boys multiple_girls necklace on_back orange_hair original plate polka_dot polka_dot_background riel_(yua) sagara_kazuto shirt short_hair signature silver_hair sitting smoking t-shirt table television urabe_ruben white_shirt wings yoshigami_kana yua_(checkmate)