Katsutarō is reborn as a Dhampir after coming into contact with a spiteful god named Chaos. In this new world Katsutarō vows to return to his world meeting all kinds of people along the way human and non-human.

Katsutarō is an average highschooler who is magically sent to anither world by a spiteful god who will do anything to kill Katsutarō. Meanwhile Katsutarō tries his best to live in this new world as a Dhampir meeting many friends along the way human and non-human. But, one day he swears to go back to his world.