People often say that falling in love is a wonderful thing, but what if the one you fall in love with wants to be your mom? A story about a boy who agreed to his childhood friend's proposition of becoming his "mom". He thought they were playing house, but she meant it for real. ---
Osananajimi no Mama ja Iya? is a completed manga by Tsumikidou. It blends romance, comedy and slice of life. You can read all 27 available chapters of Osananajimi no Mama ja Iya? online for free on MangaPulse; the newest is Chapter 25.5, added 2021-03-19. The series is finished, so you can read it from start to end in one go.