https://www.dlsite.com/girls/work/=/product_id/RJ01052396.html
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My Husband's Younger Brother - That Night I Conceived Through Sperm Donation - Final Edition

My Husband's Brother - That Night I Conceived a Baby by Sperm Donation - Complete Edition
This is a sequel to "My Husband's Brother - The Night I Conceived by Sperm Donation" which is currently on sale.

There are scenes of sexual intercourse and childbirth (about 2 pages) in which the main character is pregnant. Please be careful if this is not your cup of tea.

Total number of pages: 112

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Circle 【Hatsukoiya
Production Assistants: Mr. Rowe Shirino, Mr. S

First Part: /g/2688873/0b4daebbf8/

This is a sequel to the firt work, and continues where it left off. The wife continues having sex with the husband's younger brothe rin order to get pregnant, although it was his idea this obviously causes grief to the husband until he learns to cope with it.
The husband's younger brother is also in love with the wife (I think?), she ends up pregnant, the wife and the husband's younger brother also have sex while she is pregnant, and she gives birth.
The epilogue shows that they ended up having three children, all raised by the husband and his wife, while the younger brother plays the role of "uncle" to them, despite being their biological father.

Great work, I really like this author.

Can't believe it, happy end for all.

Base +6, Fofotron +7