My Trash-Rank Summon Is a Zombie King?!

Synopsis

Summoner Amelia Spicer is expelled from university after losing her bound eidolon. By accident, she summons Damon Raven, a triple-F-rank zombie from another world. But Damon is actually a Zombie King with triple-S skills and multiple forms. Once the underdog, Amelia makes a comeback with Damon by her side. Through countless challenges and trials, their bond deepens in unexpected ways as they face wicked schemes and conspiracies.