**Original Webtoon:** [Lezhin](https://www.lezhin.com/ko/comic/muse), [Naver Series](https://series.naver.com/comic/detail.series?productNo=8286866) Se-Eun, a third-year film student suffering from narcolepsy, gets a chance to work on a film with a director who is her boyfriend Ji-ho's older brother. On the day she visits his house despite Ji-ho's objections, she encounters a beautiful and mysterious blonde boy.

**Original Webtoon:** [Bomtoon](https://bomtoon.com/comic/ep_list/skavosdlse), [Naver Series](https://series.naver.com/comic/detail.series?productNo=3358786)

Extra of 26 series (refer to Related Series field) [Original Webtoon](https://comic.naver.com/webtoon/list.nhn?titleId=721260) [Official Indonesian](https://www.webtoons.com/id/romance/2dboyfriends/list?title_no=1545) [Official S.Chinese](https://www.dongmanmanhua.cn/METROPOLIS/erciyuannanyoudaquan/list?title_no=1341) [Official T.Chinese](https://www.webtoons.com/zh-hant/romance/my2dbf/list?title_no=1534)