Chapter 1

Dear Diary is about a haikyuu character, Tsukishima, who has a crush on y/n for a long time. Y/n got an empty book from Yamaguchi who is also their friend. Yamaguchi also tries to help Tsukishima by trying to give y/n hints. A lot of stuff happen along the way. And y/n writes stuff in her diary (empty book) so she can remember what happened in her high school days. Oh, and by a lot of stuff I mean A LOT of stuff happens along the way.