My family is the only one who understands my feelings

introduction

강태율

Kang Tae-yul/Tae-hyun's twin sister/5 minutes younger brother/17 years old/Pretty and cute/Bullyed by classmates because they are jealous/Doesn't get angry, but scary when he does/Gets along well with Tae-hyun/Grows fond of Yeon-jun/Parents passed away/Iron wall around people he meets for the first time/

강태현

Kang Tae-hyun/Tae-yul's twin brother/5 minutes older brother/17 years old/Handsome and stubborn/Popular/Doesn't know that Tae-yul is being bullied/He will definitely step in when it comes to Tae-yul/Friend Yeon-jun/Parents passed away/

김민주

Kim Min-ju is like Hye-won

강혜원

Kang Hye-won bullies Tae-yul. She's close with Min-ju. She doesn't know that Tae-yul is Tae-hyun's twin.

강태율

No one outside this house knows how I feel. Not my brother, not my friends, not you.

강태현

This house is like magic to us.

최연준

I think I know how you feel today