An argument erupts between Ha Sun and her roommates. Seung Yoon's appreciation for Nae Sang's catchphrase leads him to inquire about the origin of Nae Sang and Yoo Sun's relationship. Meanwhile, Jin Hee has trouble deciding which side she should be on in the argument.
Ahn Nae-sang
Ahn Nae Sang
Yun Yoo-sun
Yoon Yoo Sun
Yoon Kye-sang
Yoon Kye Sang
Park Ha-seon
Park Ha Sun
Seo Ji-seok
Yoon Ji Suk
Lee Jong-suk
Ahn Jong Suk
Krystal Jung
Ahn Soo Jung
Park Ji-sun
Park Ji Sun
Yoon Gun
Yoon Gun
Kim Ji-won
Kim Ji Won
Julien Kang
Julien
Baek Jin-hee
Baek Jin Hee
Lee Juck
Lee Juck
Kang Seung-yoon
Kang Seung Yoon
