Dear X Who Doesn't Love Me

What a Best Friend Can Do (1x5)

Air date: Jul 21, 2022

Hee-soo shows Si-ho what her secret notebook can do. She starts going out with Park Jun-young, and he doesn’t ask her to break up with him even after a month. Meanwhile, Hee-soo finds out that Se-jin asked Si-ho out, leaving her feeling all confused.