One day, divorced single father Motoi finds out that Ren, the handsome ace at his company, is a new single father. As he helps out with Ren's struggling parenting, they gradually become irreplaceable, more than friends, but less than family... The only people they can rely on are each other.
A heartwarming parenting bromance!
(Source: Shogakukan, translated)
— Description from AniList community (anilist.co).