
+ adding from the reply above
here are some strories that I really like, tho not all of them are with lil babies, some are kindergartener's age too, and there's also baby slime too
- Kiraide Isasete
- Tadaima Okaeri
- Brother, am I cute?
- Tondemo Skill de Isekai Hourou Meshi: Sui no Daibouken
- Baby Love Sitter
- Boku no Danna-sama
- Ikukyuu Maou to Nise Yuusha
- Yuzuki-san Chi no Yon Kyoudai
- Metamorphosis Webtoon
- Whose Baby is it?
- Ouchi Kaerou: Neko Mimi Omegaverse
- Futari de Papa Hajimemashita
- Sado no Otoko o Otosu Houhou
- When Yakuza Falls in Love
- Take to Kota to Aoto
- Bizzare Restaurant
- How to Snag an Alpha
- Toorigakari ni One Point Advice Shiteiku Type no Yankee
- Good Night, Baby
- T-sensei
- Tenjou no Shita ni Koi
- Boku no Papa to Papa no Hanashi
- Family, Now and Forever
- Motoyan Papa to Hitsuji-sensei
- Blood Link
- Bizzare Cooking
- Dear Door
- Tabun Korekara Ai no Hibi
- Ookami Papa wa Hitsuji Tsura Shitte Yatte Kuru
- Papa no Sukinahito
- Nichijousahan Bi-Beautiful Life
- Itsuka, Kazoku ni Naru Made
- Honey! Honey! Marry Me!
- Deliverance of the Counterattack
- Oh my Hero
- Komochi Host no Kiken na Rinjin
- Mijukuna Papa wa Share House de Koi wo Shiru
- Family Simulation
- Sensei wa Butchozora Shitte Yatte Kuru
- Danshi Koukouseiteki Kazoku Keikaku!
- Ameiro Curriculum
- Egao no Ura ni wa
- Milk Tea
- Love Percentage
- Papa to Watashi to Ayumu-chan
- Arima-san wa Omega ni Naritai
you can add some of your fav too!!
in the meantime, I'll go through my baby collection and re-read all of them to fill the void... Yiho, Hikari, Minato&Aoi, Jaeyoon, Shouta, Siha, Sui and the others, here I come!!