[Hagiwara Yutarou] Haha x Gibo | Mother vs. Stepmother (COMIC Momohime 2005-10) [English] [Decensored]
Haha, Maid Kissa de Hataraku? | Mother, You're Working at a Maid Cafe?
The Tale of a Cold, Helicopter Mother Who Agrees to Act as Her Son's Surrogate Woman to Help Him Focus on Studying!
[Sugi G] Surrogate (COMIC Megastore Alpha 2013-09) [English] [SaHa] [Digital]
Submissive Mother - Chapter 1-6 [ENG]
SURROGATE
Mi no Haha ni Dairi Shussan o Onegai shita Hanashi | The story of how I asked my mother to be our surrogate
[Izawa Shinichi] Mothercon (Mother Complex) [English] [Dysuka]
[Koyanagi Royal] Mother's Side Houkago no Tsuma-tachi | Mother’s Side After School Wives (COMIC Megastore 2011-04) [English] [stecaz]
(outside the mother lewd about my stepmother mother)