Meiko spends her days having fun with everyone, playing zombie games with Oto and filming videos for streaming with Marika.
Then one day, Narumi Michika, a cat-loving girl who works at a cat cafe in the same building
, storms into the shop. Michika is furious because the cat cafe has become too small due to Rie's forced expansion...
A battle between two different industries begins...!?

Meiko relaxes, reminiscing about her recent trip to Guam.
However, she fails her final exams and has to take a retake.
Along with her retake classmates Marika and Oto, she studies intensely, even involving Michika and tutoring Rie, who is actually a good student.
As summer vacation arrives, Marika and Oto go home for the holidays.
Meiko, having somehow managed to get through her remedial classes, also plans to go home to her younger siblings, including Mizuori, but she can't help but worry about Rie, who is staying alone at the shop...