Xbooru - 2girls age difference alternate costume animal ears arms behind back bangs bell bent over big breasts bikini black hair blue eyes breast hold breasts cleavage cow ears cow girl cow print cow tail flat chest genderswap gintama hair hair between eyes hand on thigh hijikata toushirou horns kemonomimi mode large breasts looking at viewer micro bikini midriff multiple girls navel neck ribbon pink background print bikini ribbon short hair side-tie bikini simple background size difference small breasts smile stockings string bikini swimsuit tail thigh gap thighhighs time paradox wide hips young younger zantou