Ane wa Yanmama Junyuu-chuu (also known as Ane wa Yanmama) is a mature-rated series that follows Takuya and his older stepsister, Aika. The story begins when Aika, a "yanmama" (young mother), moves back into the family home with her baby after experiencing marital issues. Plot and Themes
If you want, I can:
Ane wa Yanmama Junyuu-chuu (also known as Gishi wa Yan Mama Junyuu Chuu
If you are searching for "ane wa yanmama manga repack", here is what experienced users look for: