For Bae Joohyun (famously known as Irene), she's been crushing on Kang Seulgi for a while—approximately since the day she met her the first time—and only now she has the guts to confess, for it could be her last year in college and refused to throw away the chance. But Seulgi was someone who never agree to go out with anyone. All Seulgi's been doing is rejecting people's confessions.

Miyoung wants nothing but for her last year of high school to be as successful as possible. However, things complicate when her tutor abruptly takes leave. Replacing her old tutor is Byun Baekhyun—the young, bright-eyed substitute teacher Miyoung finds herself falling in love with despite her best knowledge. There’s no walking away from a person who’s gorgeous in more ways than one.

Joohyun Bae feels that she is little more than just a boring librarian - but maybe a ticket to the concert of her favourite rock band can change that.

Krystal used to love Jessica before she started hating her after their mother died. Death that was binded with Jessica turning her into a monster, the same one that killed their mother. Krystal does her best to indulge herself of Jessica's existance until a certain incident happened that flipped her world upside down.

3Mix are the proud parents of three baby girls. Little snippets of 3Mix's life with the baby!Maknaes (featuring the Aunt J-Line)

Seulgi is a student who chose climbing at her University for a bonus grade, despite not knowing anything about the discpline, being dragged by her friend Wendy whose passion is climbing. There she meets a girl who makes Seulgi consider dating once again.

Minwoo and Dongwan have been married for some time and decide to get their own restaurant.  Eric used to work at a 5-star restaurant, but walked out when he was not appreciated enough. Hyesung is a singer with two other friends. Andy has just graduated from cooking school, and has his first job at Restaurant Shinhwa. Junjin is a heavy drinker and a bartender.