FSDSS-759 Demonic Breeding Reverse NTR: The Day After Having Sex with Her Boyfriend, She Keeps Letting Her Sister’s Husband, Who Has Strong Fertility, Finish Inside Her Repeatedly. Ranran Fujii

Ranran wants to marry her current boyfriend, but he is reluctant about marriage. She schemes that if she gets pregnant, they’ll have to get married, but there’s no sign of that happening. Then she notices that her older sister has given birth several times within just a few years of marriage. Her sister is remarried after a previous divorce and never became pregnant with her first husband. But after marrying her current husband, she has given birth many times. Ranran begins a devilish plan to try to get pregnant with help from her brother-in-law…