S01E01 Episode 1
Eight teens start their first day of School 19, getting to know each other while following one rule that'll pique their curiosity.
Nineteen to Twenty
From teenage flutters to twenty-something crushes young romance reality show.
S01E10: Episode 10
A couple of once-mutual connections turn distant. A new Dream Date announcement leaves the housemates navigating an emotional minefield.
Overview
A group of young adults share their last week of teens and first week of twenties together — experiencing freedom and all the “firsts” of adulthood.
Episodes
S01E02 Episode 2
On day two of School 19, the teens swap stories about their past relationships — later tasked with homework that'll make their hearts flutter.
S01E03 Episode 3
Just as the eight classmates settle into their dynamic, two new transfer students enter School 19. How will this addition shake up the group?
S01E04 Episode 4
Sparks fly as the 10 students pair up for cooking class. They later head to an amusement park, where thrilling rides risk revealing hidden feelings.
S01E05 Episode 5
On the last day of School 19, the students pair up for a dancesport class — and new feelings arise. Upon graduating, they move into House 20.
S01E06 Episode 6
It's the New Year and the no-dating rule is no more. As the group forms deeper connections, Dream Dates raise the stakes for the doe-eyed youngsters.
S01E07 Episode 7
A few housemates pair up to go on dates, solidifying connections — for better or for worse. The first two Dream Dates are announced.
S01E08 Episode 8
The housemates begin scouting for the Dream Date. Will the dates blossom into something more? Or will they lead to a change of hearts?
S01E09 Episode 9
A couple goes on their Dream Date — but feelings remain complicated. As the housemates go on their own dates, conflicting emotions bubble to the surface.
S01E10 Episode 10
A couple of once-mutual connections turn distant. A new Dream Date announcement leaves the housemates navigating an emotional minefield.
S01E11 Episode 11
After a drama-filled night in House 20, the housemates continue to go on dates. While a couple cements their relationship, they face an accident.
S01E12 Episode 12
An unintended eavesdrop creates soured feelings. Two couples go on their long-awaited Dream Dates, leading to heartbreak back at the house.
S01E13 Episode 13
As their time in House 20 nears the end, the housemates reflect on their time together. While some make their relationships official, some find closure.
Cast
Cho Kyu-hyun
Self - Host
Kim Ji-eun
Self - Host
Lee Soo-hyun
Self - Host
Jeong Se-woon
Self - Host
Kim Jung-hyuk
Self - Teacher
