She's Adopted a High School Boy!

Danshi Koukousei wo Yashinaitai Onee-san no Hanashi

When Minoru's parents ran out on him and their debt collectors started shaking him down, it was the kind lady next door who took him in. She offers to have him live with her, but she seems awfully excited about the idea...and suddenly Minoru's wondering just what he got himself into! (Source: BOOK WALKER)