1K?????? [1K Apartment no Koi] By (author): "??? ????, Hyouta Fujiyama"Genres:Romance books Manga books Yaoi books Boys Love books ISBN4756713882ISBN139784756713889Asin1K?????? [1K Apartment no Koi]Original title1K??????Kouno is the new exchange student and he hit it off immediately with Natsu his easy going classmate.