Deshi wa Osu, Nenrei Fushou no Shishou wa Mesu M.P.vol.28 | The Disciple, is a Male. His Master, is a Female.
(Gunrei Bu Shuho & Houraigekisen! Yo-i! Goudou Enshuu) Yamato to Yoru no Kyuuichi-shiki Tekkoudan | Yamato and the Type 91 Armor Piercing Ammunition of the Night (Kantai Collection -KanColle-)
