Psychic god powers might not be useful unless he dresses up as a magical girl though. If he wears normal clothes, he'll die. If he wears frilly clothes, he'll just sustain clothing damage.

Mm, I was thinking that he could 'mentor' Ikuu in the ways of CQC and bullet-spam. Physically, Ikuu would be stronger than him (you know, mechanical limbs and all), but skill-wise, Tetsuya would be like, "You're one thousand years too early to be challenging me!". Alternatively, they could both have attended cooking lessons hosted by the Bridge Bunnies. Because cooking is therapeutical.