0read's manga / #Prequel(28)

http://www.mangago.me/read-manga/boku_no_omawarisan/uu/boku_no_omawarisan-chapter-1

1 K-sensei no Yajuu na Aijou 2 K-sensei no Yaban na Renai 3 K-Sensei no Furachi na Junai 4 K-Sensei no Himitsu no Netsujou

read ch.7 before 6.

1 Bi no Isu 2 Kobi No Kyoujin 3 Bi No Kyoujin: Smoke

It's a good story.