HALP MEH PLEASH

This is a yaoi webtoon about a guy suddenly lives with his schoolmate(not sure) and then the schoolmate guy requests that the uke be the dog coz one day, the uke saw a small collar underneath the pillow then smee says the uke reminds him of his previous dog and then treats him like one (not necessarily like a dog) but he buys him sex toys and so on. I forgot the title of this one and wanted to read it again, if possible. THANK YOUUUUU (づ￣ ³￣)づ