"True Beauty" is a popular webtoon that's been made into a TV drama in a high school setting by tvN. It takes on important issues like bullying, suicide and mental health.

"True Beauty" is the story of a girl named Im Ju-kyung (played Moon Ga-young) who sees makeup as her salvation from bullying and a boy named Lee Su-ho (Astro's Cha Eun-woo) who has a lot of emotional baggage due to things that happened in his life.

Photo credit: TVN

If that story line is not enough to get you hooked, here are more reasons to watch "True Beauty," which is on Viu where new episodes with sub-titles are uploaded weekly.

• The second leads are as captivating as the lead stars

We love Hwang In-yeop, who plays Han Seo-jun, and Park Yoo-na, who plays the campus beauty Kang Su-jin. What we like about Park Yoo-na's character is that she is beautiful, strong and intelligent. Hwang In-yeop, who was in the drama "18 Again," has a face that's made for the big screen.

• Kang Chan-hee's cameo

Kang Chan-hee or Chani of SF9 is an idol who has been acting since he was a child. His role here (it can be triggering for some people) is very small but definitely memorable and crucial to the story line. The camera loves Chani's face, to be honest.

• Im Ju-kyung is a cool girl

Looks aren't everything. Without makeup, most people wouldn't call Im Ju-kyung beautiful but we think she's super-cool. She has lovely hair and is into horror comic books and rock music.

• Cha Eun-woo sings

It's very seldom that a K-pop idol will sing in a drama that they're in but Cha Eun-woo will showcase his singing talent here.

• It deals with friendship

There will be many lessons learned about friendships and how there relationships affect young people and the way they think.