This series has been removed because there are no known anime trading card sets for it.
12-year-old boy Kōshi Nagumo, who finds himself homeless, penniless, and without relatives to care for him. As he lies on the street, he gets picked up to become the “dorm mother” of a dormitory full of troubled women's university students. Surrounded by idiosyncratic and difficult older women, Kōshi begins a “slightly ecchi new life.”
https://www.animenewsnetwork.com/encyclopedia/anime.php?id=23959