Yukiko 
Futaribeya: A Room for Two, Volume 8 [EPUB ebook] 

Sakurako and Kasumi live together in a one-room apartment, share a bed, and have always been together since they first met as roommates in their freshman year of high school. Now, theyve finally reached their final year of college. As their carefree school days come to an end, its time to face the job market as adults! Will their relationship have to change when theyre both working?