Kataware Zuki, Renren to Shite

A childhood friend, Sajima Akira, who suddenly disappeared more than 20 years ago, appeared under Oe Makoto, who runs a local bakery. Akira, who has nowhere to go, decides to live together in a true house while helping out. He was clear to hold the truth while whispering sweet words "Become a family" every night, but when he asked what he was doing after he went missing, he didn't answer for some reason ...?