Rules of Kissing

Overview

A figure from Tae-seong’s past returns to his life. Han-byeol is shaken by recent romantic revelations. An on-screen kissing scene raises tensions.

Guest Stars

Mun Ka-young

Yeo Ha-jin

Kim Dong-wook

Lee Jung-hoon

Jang Jae-ha

Gong Tae-seong (child)

Moon Seong-hyun

Gong Tae-seong (teen)

Choi Ji-woo

Eun Si-wu