Kenji replied with a nod and instead of sitting down, he went over behind and gave her a hug and a kiss. Kyouka blushed at the sudden hug and kiss and started stuttering.
Aki can't go around casting this spell either, but he certainly can engrave it very fast. Who cares about the chance of making errors when you can use two or four spells to steady yourself and fetch the related information in your own brain.
While he did gain perfect control over his energy he still could feel that something was wrong, but he didn't bother much, so he continued on his path.
