Season 1

When she was a kid, Ai Sato (Fuka Koshiba) was beautiful and popular. Her first love was Sosuke Hasebe, a chubby boy with a tragic past who was frequently picked on, and who came to look on Ai as his protector and savio…

Now working at the same company, Sosuke little suspects that Ai is the previous love of his life. Ai initially tries to avoid Sosuke, but they are repeatedly thrown together and Ai quickly sees an aggressive side to Sos…

At work Ai confides in her colleague, Takuya Higuchi (Eiji Akaso), after he discovers that Ai and Sosuke were at school together. Ai is quickly discovering how important her previous self was to Sosuke, and despite hers…

Hye-jin and Sung-joon meet and catch up on all the things that have happened between them. Ha-ri’s mother comes to see her.

Sung-joon convinces Shin-hyuk to stay at The Most. Shin-hyuk returns back to work, but his feelings for Hye-jin remain unchanged.

Hye-jin starts seeing Sung-joon but his completely different attitude at work makes her worry that their colleagues will figure out what is happening.

The Most’s big interview gets canceled at the last minute, but Poong-ho makes a brilliant suggestion of interviewing the famous writer Ten.

Sung-joon is shocked to learn Ten’s true identity. As Hye-jin prepares to move to America, a children’s book author invites her to work with her.

Sung-joon talks to Hye-jin every day since moving to America, while she starts writing children’s books. One day, Sung-joon stops answering his phone.