(1st book) Akari moved to a place near her new school with an affordable price and will soon meet her annoying roommate named Hyunjin.

(3rd book) Ayumi the party-goer and a lady who loves to enjoy her life without worrying about anything will finally have an interaction with her most hated person in their University, Hyunjin, the smartest student who seems to hate Ayumi.

(2nd book) Aika is a writer at a publishing company, she is a hopeless romantic who is trying to survive her daily life. Everything will change as she cross path with her annoying boss, Hyunjin.