What kind of title is this?: Manga.
Where can I read it?: Reading links are listed for Pixiv Comic, Kodansha USA, K MANGA. Check availability in your region.

Synopsis

About Life Lessons with Uramichi Oniisan

Uramichi is 31. Uramichi appears on children’s TV alongside two grown men dressed as forest creatures and a singing woman with a very short fuse. Uramichi leads little kids in exercises and answers their questions about life. But Uramichi’s life is pain. Uramichi just wants to be miserable in peace. But, in his words, “There are games that don’t end even after you forfeit. Like life, for example…” (Source: Kodansha USA) Note: The English edition volumes are omnibuses combining two Japanese volumes into one English volume.

Comedy Slice of Life