Bouya Harumichi is a new transfer student to Suzuran all-boys high school, a place where only the worst delinquents assemble. Due to its large amount of delinquents who are hated by the general people for their inauspiciousness, similarly to crows, it is also known as "Crows High School." Harumichi is an insanely strong fighter but has an irresponsible personality. How will he act in this new environment where everyone is a delinquent?

Transfer student, Aoba Shunsuke, arrived at Sunshine School only to find the premises empty. He was secretly gleeful to be the first to reach the school, oblivious to the fact that it was Foundation Day and a rest day for the institution. At that moment, a big-sized "L"(Eru) beauty by the name of Natsumi appeared before him and the two of them hit off together even though Shunsuke was so much smaller than her. Shunsuke's mother runs a women's apparel busines but the shop is in need of manpower. Shunsuke offers to help out at the shop but fumbles a lot because he does not know how to interact with the ladies. Eru decides to step in and help out around the shop and this pleases Shunsuke's mother. This is a romance story that shares the joys and woes of the "SL" combi between Shunsuke and Eru.

In a post-apocalyptic world overrun by alien-crafted "Machine Lifeforms," humanity is preparing for its last stand. Forced to retreat to the Moon for safety, humans are pinning their hopes on a group of man-made androids known as YoRHa soldiers. Led by the all-purpose battle android YoRHa 2-gou B-gata "2B," the group will fight to take control of the Earth back from its invaders. As war against the machines rages on, the YoRHa slowly begin to see the first shards of truth underlying the brutal conflict. Facing the harsh reality before her, the unwavering warrior 2B starts to question her very existence and just how much she must sacrifice for the sake of humanity.