Otoko Girai na Bijin Shimai wo Namae mo Tsugezu ni Tasuketara Ittai Dounaru? - Vol. 3 Ch. 15

[radstylix]

This is like 100 Girlfriends with just the first two girls, but both girls are extra horny and possessive (and not just Hakari)

 

[Hard_jo]

Sorry but It felt a bit cringe after readin this chap

 

[ThomasThorne]

Spoiler: Spoiler 1

he does (and the mom is the 1st to get pregnant )

Not only that but

Spoiler: Spoiler 2

there's a 4th girl he gets who i think hasn't been introduced yet

This is probably based on the Light Novel version, not the Web Novel, so I doubt it.