Onee-san ga Ichiban!!

From allcomic.noor.jp: Masaharu Banaga lived alone with his elder sister, Akira, due to his parents' circumstances. Akira was a member of Sweet Mints, a popular idol group beloved by Masaharu's classmates. One day, Kazuki and Misuzu, members of Sweet Mints, came to Masaharu's house and started…

• Format: MANGA
• Genres: Adult, Comedy, Drama, Ecchi, Romance, Shounen

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