A ten-year love story told from the perspective of the selfish and eccentric main character, "I", who falls for Manami in high school but also navigates relationships with others from his adolescence.

Imagine the already oppressed life of Japanese teenagers with the added stress of the pandemic. Buzz-killing teachers militantly enforce masks and social distancing yet neglect the repercussions of their students’ pent-up aggression. The icing on the cake? The highly anticipated end of the school year cultural festival is cancelled. In this milieu a small gaggle of previously unassociated high school girls, centered around the humbly charismatic Mizuho, form a tight-knit clique when their typically adolescent hormonal changes are suddenly manifested by… supernatural powers!

One day, while Seiya was calling everybody on the phone to tell them "It's me, thank you" on the rooftop of a building, a strange creature with emerald-blue fur, something he had never seen before, descended from the sky. The creature, along with its companions, claimed they had come to exterminate human race. However, through conversations with the humans they encountered, they gradually began to understand each other...

Despite growing up in a single-parent household, Maria was never that close with her mother. As an adult herself, she is thrust into being responsible after her mother suddenly dies. As she sorts through her mother’s belongings, she finds CDs, photographs, a diary, and an unplayable demo tape named “MARIA” that her mother had collected when she was around Maria’s age. Curious about her mother’s past, Maria heads to a live music club and this is where she encounters the musical culture of… Visual Kei.

Life seems pretty normal at the Forensics Division. Ippei's canine partner, Oliver, appears to him as a womanizing middle-aged drunk in a dog suit, but that's nothing new. However, when "Super Volunteer" Konishi vanishes, the investigation pulls them into a bizarre mystery. Joined by Supervisor Hagoromo, Ippei and Yukina follow Konishi's trail, Urushibara uncovers a family secret, and former handler Mizoguchi stumbles upon a takoyaki-infested town and a tiny fairy man. All while mysterious red doors keep appearing… Something is obviously deeply wrong. Can the team find Konishi and save him from unseen forces before chaos consumes them all?

Detective Ushio is called in to the murder of an elite heart surgeon, who was stabbed twice at a cluster of vending machines in a parking lot.

In the spring of a new semester, a "ranking" is sent to Class 2-D. It clearly shows the rankings of all the students and the homeroom teacher. The one who ranks 1st is Himeyama Tsubaki, a kind and popular honor student recognized by everyone. But one day, without any warning, she commits suicide. A few days later, everyone in the class receives a suicide note from Himeyama, and from that day on, the class begins to fall apart.