Hoiku no Ousama

The story follows Iku Fukuda, who likes working with kids, so he gets a job at a day care center. When he realizes there's a gap between his expectations and reality, he quits after 2 months. But Fukuda doesn't give up on his love of working with kids.

(Source: MU)

Included one-shot:
Volume 6: Hoiku no Tamago [Story collaboration: Ishiyama Horo]