the manhwa is called "Following Namsoo To The Bathhouse", it's also by the same author as this manhwa, is you go to the main page of this manhwa it says" other manga by the same author" and its right there but ill give you the link anyways: http://www.mangago.zone/read-manga/following_namsoo_to_the_bathhouse/?5DYR
Guys what the crossover tittle i havent read it yet plss tell me(๑•ㅂ•)و✧
the manhwa is called "Following Namsoo To The Bathhouse", it's also by the same author as this manhwa, is you go to the main page of this manhwa it says" other manga by the same author" and its right there but ill give you the link anyways:
http://www.mangago.zone/read-manga/following_namsoo_to_the_bathhouse/?5DYR