I got totally wasted at a party and ended up spewing my guts... and some hot guy saw me?! I ran away, thinking I'd never see him again, but we ran into each other on campus the next day! He may be good-looking, but he spilled the beans about me throwing up to his friend, and on top of that, he keeps calling me by my first name! He's seriously the worst! Despite all of that, my best friend Yuka is head over heels for him, and now she wants me to help hook her up! She even brought his friend into this mess... What will happen in this 4-way love affair...?
So is this what it means to have roommates now?! Office worker Rinko, 24, lives alone and is secretly an otaku. One day, her apartment gets connected to the two neighboring rooms through a "hole" in the wall. In the room on the left is a fresh-faced yet mysterious guy who is overly-sweet to Rinko. The room on the right is occupied by a guy with violent tendences who is similarly mysterious... But wait! "I... I think I know him!" Rinko's only source of solitude, her apartment, has been turned upside down. Now, every day is full of heart-pounding surprises!
Ema has been dating her childhood friend, Aoi, for 8 years. They have been living together for four years, and Ema hoped to get married one day... However, Aoi has been neglecting the housework recently, and even treats her birthdays as an after-thought. Ema's desire to be with Aoi as a lover sometimes feels one-sided. Just as Ema starts to worry if they can even get married at this point, she runs into her high school crush, and he's just as kind as he was back then...