Yeo Eui Joon, who works at a convenience store frequented by gangsters, wants to quit as soon as possible because of the dangerous work environment. However, he's stopped by the pay that's 1.2x more than other stores! So, Eui Joon, who needs every penny he can get, overlooks the danger and continues working there. Then one day, Bum Geon Woo, who looks more like a gangster than any other gangsters show up. And as soon as he appears, the other gangsters simmer down... Will Eui Joon be able to safely continue working at this convenience store?

Nan-young is a scientist whose astronaut mom failed to return to Earth when things went awry during her Mars probe. Nan-young has always dreamed of exploring space too and longs to go to Mars in hopes of finding a trace of her mom. Her dream comes true when she is selected as one of the astronauts for a Mars probe project. Before she blasts off though, she meets Jay, a musician who also fixes retro sound instruments. It's all thanks to an old turntable that Nan-young inherited from her mom.

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.

In Cinnamoroll's origin story, a white dog flew down from the skies one day and was discovered by a female Cafe Cinnamon worker. The "I.Cinnamoroll" brand depicts an alternate world that poses a what-if question: What if Cinnamoroll had not met the Cafe Cinnamon worker on that fateful day? The "I" in the title stands for both the English first-person pronoun "I" and the Japanese word "ai" (love), and it represents the brand's theme of taking care of one's own body and mind.