The Other World's Books Depend on the Bean Counter, Vol. 2

After a strange Saint-Summoning Ritual transports him to a fantasy world, Seiichiro
Kondo just keeps on keeping on. But when he drinks a nutritional supplement to help
with his exhaustion, the side effects cause a life-threatening magical sickness...!! And
who should come to save him but his knight captain in shining armor, Aresh?! However,
in order to cure Seiichiro and help him adapt to his newfound magical power, Aresh will
have to get real up close and personal...