[Benii Kenkyuujo] Jitsubo Dairi Shussan ~Nanae Hen 2~ | 친모 대리 출산~나나에편2~ [Korean] [팀 숙녀]

[Benii Kenkyuujo] Musuko o Muramura sa Seru Inaka no Okaasan ~ Haha no Furusato Ma Rei Ko wa Attakai ~

[Benii kenkyuujo] Surrogacy: The case of Yuka Shirakawa (Full version)

[Benii Kenkyuujo] The mother of the Oba Household ~A Daily Routine of Submission to her Son's Indulgences ~

[Benii Kenkyuujo] Haha ga Kabe ni Hamatte Ugokenakatta node... | The day my mom got stuck in the wall and couldn't move... [English]