Roommate I Don't Know About

Woo Hee-ram, a returning student brimming with dreams of having a great time with a roommate as he begins his first dorm life! However, because his roommate disappeared, leaving behind only a plush of Hee-ram's favorite cartoon character, Hee-ram unexpectedly finds himself starting a fun(?) roommate life with the plush. Then one night, half-asleep, he hugs and even gropes something he mistakes for the plush… But starting the next day, a suspicious senior in his class begins avoiding him with an oddly cold attitude…? Will Hee-ram be able to figure out the truth hidden about his 'dream'? --- Original Webtoon: Lezhin, Bomtoon