Saitou Fuuko

Class 3E is about to begin their second semester! And while some things have changed, the class assignment is still the same: kill their teacher before the end of the year! Easier said than done since Koro Sensei's made it clear he won't go down without a fight. Source: funimation

One day, the moon exploded, leaving it in a perpetual crescent-moon shape. The creature who claims responsibility for the destruction also claims it will destroy the world in March of next year. With powers beyond human comprehension, no military can stand against it. Yet, for some reason, it chooses to take up occupancy as a teacher in the worst class of Kunugigaoka Middle…

It has been three months since the incident at Yokohama. Things have been settling down at Cafe Nowhere. Murasaki and Hajime have teamed up and started investigating again. After an unforeseen reunion, Art holds Nice at gunpoint. What are his real intentions? What will become of the connection between Art and Hamatora? Source: Crunchyroll