I think this cafe is owned by Sungmin’s mom?? (I thought she also owned a different cafe?? haha idk)
Address: 51 Sagan-dong, Jongno-gu, Seoul, South Korea / 서울시 종로구 사간동 51번지
WIKI Cafe Website
Hours: 10:00 am- 9:00pm
>>HERE<< are some nice directions (in multiple languages) with some pictures.
Its near Anguk Station, which is where Insadong is, so if I may, I’d recommend stopping by Insadong as well to see a cool old part of Seoul and get any souvenirs you could ever want!
Wiki Cafe’s photo gallery
And for kicks, here’s a post about when Sungmin stopped by the cafe ^^
Kpop Tour Guide 