Goukaku Iwai no Fudeoroshi Koubi de Kintama Karappo ni Shite Kureru Bakunyuu Gishi | My Big-Breasted Stepsister Let Me Have My First Time With Her Until My Balls Were Empty as a Reward for Passing My Entrance Exams
(C89) Shounen Teitoku ga Otona ni Naru made… | Before the Teenage Admiral becomes an Adult… (Kantai Collection -KanColle-)