Yamamoto straightens up quickly as the bow hadn't been too deep. If it had, he'd probably had looked very odd with their height difference. Instead of addressing it, he just laughs at the nickname she's given to him based off his family name. She must not be familiar with Japanese customs, but he isn't bothered, because a great many of his friends are Italian and there are some interesting differences there!

"Nice to meet you, Kenzi!" He likes that name, and thinks that this is probably the first person he's met that isn't treating him like the fool he feels. "Well... I wouldn't say that, but it is very welcoming." His eyes soften as he looks off for a second, wondering if any of his friends were brought to this world as well. "Have you been here for very long?"