Featuring characters from NHN's popular app such as Moon, Brown, Connie, James, Jessica, and Sally living happily together in Line Town.

Coworkers Yui Mitsuya and Masugu Tateishi are the last people anyone would expect to get along—especially with their constant office quarrels. However, looks can be deceiving: they are actually dating! Afraid to lose the peace of their professional lives, Yui and Masugu play up their discord even more to ensure nobody discovers their secret. As awkward situations and close calls pile up, the risk of Yui and Masugu's coworkers catching on increases. Keeping up the pretense is not easy, but with each new day, their relationship only grows stronger.

Tomoatsu Naoe leads an ordinary life working as a massage therapist, but this changes when he encounters a peculiar client named Erufuda. During her visit, Naoe discovers her secret: she is actually an elf! After leaving her world, Erufuda fell in love with junk food and now cannot return home because of her weight gain. Naoe decides to help the elf with dieting so that she can eventually go back to her world. Although Erufuda puts in the work and reaches her goal, it does not take long for Naoe to stumble upon her again—and she has regained the lost pounds. As Naoe continues to give her advice, the two begin encountering other people from another world, all with the same desire to lose weight.

After escaping the zombie-infested mainland, Takashi Komuro and the gang find themselves on a remote island off the coast of Tokonosu City. While scavenging around the island for supplies, they encounter a small seaside shack that provides them with clothing and a place to rest for the night. After a day's work of collecting food, they begin to cook what they have gathered. As they wait beside the campfire, a light haze begins to form around them and makes them nauseous. Confirming it to be caused by hydrangeas—a type of poisonous plant that can cause hallucinations—the group attempts to escape from the powerful odor.