Akuyaku Reijo no Ani ni Tensei Shimashita - Vol. 4 Ch. 26

[welcome2atlantis]

These Explosion mages, they faint after only one use of Explosion magic
They should just use Light of Saber instead, that one seems to be more mana-efficient.

 

[Virtt]

With how things going, Cain will accidentally create a harem(consist of boys + 1 angel Diana) with him on the top as onee-onii-sama to all of them.