OBA-008 — Mother's Easy-Birth-Type Big Ass, Kazuko Iori

It's been a few months since her eldest son, Tatsuya, started living in Tokyo. Kazuko Kana and her second son, Takumi, were living a modest life together. Tatsuya is strong-willed and Takumi can be timid, but they were both born from Kazuko Kana's "easy-birth" bottom, and they have grown up without catching a single cold. Then, one day... she finds time off work to announce that Tatsuya is coming home. It's been a while since her eldest son has come home, and Kazuko is busy cleaning, shaking her big bottom, but Tatsuya sees her doing so...