Ware wa Kenou!!

Yoshiaki enrolls in a school known for its frequent fights and violent culture, seeking to become the strongest there. Upon arrival, he intervenes when a girl named Homura is harassed by other students. Later, she asks him to be her "sword," a role in which students form pairs as "sword" and "master." Yoshiaki is unsure how to react. Others warn him against bonding with Homura, who is labeled a "Rank F" and expected to have a short lifespan. Despite this, Yoshiaki is unwilling to leave her to die.