Puen and Rang are having a rough time at home, so they express themselves through music. With Wine onboard, the song rapidly gains popularity.

"F*ck Being Your Son" receives both positive and negative feedback, although mostly the latter. Pun is upset once she learns that Puen stole the lyrics from what she has written in her diary.

Wang tries to get into KHA 22 but Rang shoots down his abysmal rap skill along with his hope. However, Puen takes a liking to Wang's rhyme and it becomes the basis of their new song.

Wannabe proves to be a success and the band becomes even more widely known. Puen, in particular, gains a lot of fame and leaving Wine feeling underappreciated. Puen and Wang set out to find the legendary rapper, FFF.

The group struggles with their busy schedule as their popularity rises, partly due to Puen's lack of managerial skill. After going through various disappointing applicants, the group tries to persuade Pun to become their manager.