Ito Nagisa, who has been quietly creating a doujinshi yuri novel, reunites with her old friend Aoto Kaoru at a class reunion. Nagisa, who still draws illustrations, gets drunk and asks Aoto Kaoru to draw the cover of the doujinshi. Kaoru readily agrees, as long as her illustrations are needed. However, Nagisa has made various mistakes in the community and has been ostracized...!?
The strongest samurai of the Sengoku period is suddenly summoned to another world in the middle of battle. His sole purpose is to take the heads of the strongest warriors. He doesn't care about titles—whether noble, lord, or king—if they don't align with his beliefs. He declares, "It's a fight. It's revolution. It's conquest!" and continues his way without hesitation. The story follows the fate of this warrior, the strongest of his people, as he carves his path in the new world.
As a sophomore in high school, Kotera takes great pride in being a dedicated member of the climbing club and has an unbridled passion for bouldering. Her friendly and thoughtful demeanor is highly regarded by fellow students. Meanwhile, Kondo is also a student at the same school and is an enthusiastic participant in the ping pong club. He is deeply intrigued by Kotera and finds her captivating.