The Second Dimension of the Apocalypse

The apocalypse is coming, zombies are rampant, and a certain man is reborn with a two-dimensional summoning system. When the apocalypse begins, can he become king in the apocalypse with the ability to summon and counter-summon? This article has a little darkness + harem + a little bit of stallion + evil... Moralists are not allowed to enter. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.