Studio Apartment, Good Lighting, Angel Included

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!

Having just moved into a new apartment building, Yui Hanasaka makes a customary visit to greet her neighbor. When she learns that he is an upperclassman at the university she aspires to attend, she asks for his help to pass her entrance exams. Meanwhile, Natsuki Momohara decides to visit her older brother, who lives alone in an apartment in Tokyo. Elsewhere, aspiring singer Moka Aoshima reunites with her childhood friend, who is a hopeful novelist. Three stories, although seemingly unrelated, contain the same essence: strings of fate will bind together those who share the same destiny, and one needs to look no further than a single apartment room.

Amane lives alone in an apartment, and the most beautiful girl in school, Mahiru, lives just next door. They've almost never spoken—until the day he sees her in distress on a rainy day and lends her his umbrella. To return the favor, she offers him help around the house, and a relationship slowly begins to blossom as the distance between them closes...

Sakurai Tomoki has been having the same strange dream since he was a child and would wake up in tears. Sugata, an upperclassman at his school, believes the dream to be of the new continent. Later that night, while waiting under the cherry trees for Sugata and his childhood friend, an angel called Ikaros comes flying down and his peaceful life changes from then on.