Boku no Mama wa Otouto no Mae de dake Dosukebe ni Naru | My Mom Turns Into a Slut for My Little Brother, and Him Alone
(C101) Fushoku Tensei ~Tamashii Kawattara Honki Dasu~ | Shameless Reincarnation - Cumming As Much As I Can After I Had My Soul Interchanged (Mushoku Tensei ~Isekai Ittara Honki Dasu~) {Doujins.com}
Yosei no Haha ga Musuko Ochinchin to Nama Koubi shite Haranjau Ohanashi | The Story of a Fairy Mother Mating with her Son until she's Pregnant with his Child