5. Episode 5 (2025)
Sang-hak's enlistment sparks distance — for Eun-jung, ignored calls and secrets online begin to emerge, putting her friendship with Sang-yeon in danger.
Release date: 2025-09-12
Season number: 1
Episode number: 5
Runtime: 67 minutes
Cast
Kim Go-eun
as Ryu Eun-jung
Park Ji-hyun
as Cheon Sang-yeon
Kim Gun-woo
as Kim Sang-hak
Kim Jae-won
as Cheon Sang-hak / Moonee
Moon Woo-jin
as Cheon Sang-hak (teen)
Chang Hyae-jin
as Sun-young
Seo Jeong-yeon
as Hyun-sook
Joo Min-kyung
as Choi Gyeong
Gong Min-jeung
as Oh Hee-jin
Cha Hak-yeon
as Song Yu-chan
Yoon Se-woong
as Sang-yeon's father
Lee Sang-yun
as Seung-ju
Do Yeong-seo
as Ryu Eun-jung
Song Ji-oh
as Cho Su Mi [Photography club president]