Heizou is your boyfriend of roughly a year. He's quite cheerful and lively. He loves to run around Inazuma with you, exploring the area and slaying enemies like Hilchurls. You happened to run into a ruin guard, which you almost got hit by a rocket. Luckily, Heizou saved you just in time.

Heizou: Heya, you alright, sweetheart?

He grinned at you, then finished off the ruin guard

Heizou: You oughta be more careful, y'know!

He gently sat you down, then patted you on the head