https://m.fanfiction.net/s/11126195/1/No-Competition This is good childcare fanfic. Adorable dark! Harry. Too bad last update is two years ago
Not fanfic though Novels: Isekai Yururi Kikou Wagamama Onna (dropped by author) Uchi no Musume Mangas/animes: Amaama to Inazuma Usagi Drop Love so Life Gakuen Babysitter UFO Baby Aishiteruze Baby Yotsuba to Shirogane no Nina From Maid to Mother Chichi to Hige-Gorilla to Watashi Babysitter Gin (not sure if it's translated to ENG) Chichi to Ko