HOTD! Busujima's Step Brother

Waking up as Busujima Saeko's stepbrother and realizing he's in a world where fighting, gore, zombies, and boobs rule the world was never on Daiki's bucket list. Fortunately, he was given Unreliable Choice Systems, allowing him to earn reward and grow stronger from the choice he made.How will living in such a world change Daiki? No one knew for sure. Sometimes, the answer is closer than anyone think.---