[勇者乾電池] 全寮制男子校で女体化したボクがどうなったかというと…前編 , [Hero Battery (Yuusha Kandenchi)] What happened to me after I turned into a girl in an all-boys school - Part 1 (Zenryo-sei danshikou de jotaika shita boku ga dou natta ka to iu to… zenpen)