MyHiganbana's manga / #Rope tying(1)

B/W Color Artist Protagonist (Rope MC’s colleagues take him out to a BDSM bar. He gets chosen to try out some new rope trying tricks. He ends up paying to see the rope Artist after that. They decide to become a couple. It goes back into frost story in CH7 THIS HAS TWO STORIES- Second one has a model who has a crush on his photographer