In order to save his sister, an ordinary worker brother embarks on the road of trying to protect the sisters of various heroines!
***The male protagonist has no cp, because the female protagonists in the small world have emotional lines and are temporarily labeled as romance (Update: The cp-free channel was changed at the suggestion of readers. If there are any mistakes, please correct me. Regardless of whether the sisters are with the original plot partner, I will always be a family member and a warm harbor***
World (tentative):
1. Brother Jianxiu-Sister Half-demon
2. Brother bandit-sister heroine
3. Scholar-cook
4-10. Under modification
Purpose: Cherish your family