"Alright, it is time for lunch! Now you kids go out, I've got shit to do." Proclaimed Mr. Buff.
When Genji heard this, he took his Grimoire, and read whatever the page said in his mind.
"A generally pleasant way for curative nature and effective dispelling of human needs is photosynthesis. if you were to recite the incantation, you will be able to attain nourishment from the sunlight. Be sure to drink water beforehand."
Doesn't sound too difficult. After drinking his fill, he went outside to the seating area, and stood in place for some time, undisturbed.
Some kid walked up to Genji and said, "hey, why are you standing there with your arms spread out like that?"
"I'm making lunch, so please stand out of the way. The school food here is damned expensive," Replied Genji.