Yaoi manga invovling childcare like Sorenari ni Shinken nandesu. One where, for one reason or another, two guys end up raising a kid. I've read a number of these and I've looked though the categories but still looking for suggestions.

These are ones I've liked.

Gochisousama
Naisho de Alleluya and sequel Aikotoba wa Hallelujah
Passion Fruit no Kaori Tsuki, not one, not two, but three couples
Ai no Gebokutachi - two single fathers, but I think they maintain separate households

These are more about the single father, and starting a relationship
Takaga Koi daro
Work In, chapters 3-4
Musuko ga Osewa ni Nattemasu! oneshot
Yokubou Shounen, chapter 5, hilarious

Complex <-- definitely recommend

There's also the tag: LGBT Parent/s

@scarletrhodelia: Read all of them. Rereading Passion though since you reminded me what one it was.

@silent: I've been meaning to read that one for a while but I usually remember it when I'm looking for fluff before bed or something. Still, on my list!

Currently checking out the LGBT Parent/s, Childcare, and Single Parent tags (specifically the yaoi and shounen ai included ones)

You could try Happy Yarou Wedding

@omiplant: Read it. Its ok but the art is ugg. Still read that whole series though.

Kozure Ookami (Two wolves and their sons) by Inoue Satou
Mizu Numuru by Yamada Yugi
Mae Yori mo Dare Yori mo ch6 by CJ Michalski
Bokudake no Peach Sapuri ch 5 by Hiama Yuki
Tenshi no Tamagoryouri by Fujii Sakuya (the kid is a teenager)
Ikumen After by Kodaka Kazuma

(sorry I don't how to make them clickable links)

I copied the above from a post I made in a similar thread titled "yaoi involving gay parenting" a couple of months ago.
the following are copied from other responses in the same thread:

Goshujinsama ni Ki wo Tsukete ch5+
Nichijousahan Bi - Beautiful Life
After the Child Sleeps
Neko no Koi ch5+
Itaike na Bokura,Yakkai na Bokura and Furachi na Bokura
Dekichatta Danshi
Ihoujin etrange

I think I've read all of these titles as this topic is one of my favorites. 🙂

@maladymaven: To make them clickable you put [m.]title[/m.] Without the dots. There is a button that says [m] in the posting thing you can click.

Also, I've read pretty much all of those ones too. Mizu Numuru I was just about to start reading now. Tenshi no Tamagoryouri is on my list to read, seems interesting. A quick check for Ikumen After only got me Chinese which I can't read, not that I understand Japanese yet either. Ihoujin etrange is the only one I haven't heard of, but its not marked with any sort of LGBT Parent like tags. I'm checking it our though.

This topic is one of my favorites too, which is why I seem to have run out of choices until more are in English (one way or another) or my Japanese is good enough to read them, given that I can find them in Japanese.