At this point the mom needs to accept the fact that her boy and her maid are attracted to one another. There's no stopping this rollercoaster at this point so she might as well look forward to half-dragon grandkids.
Something about him having so many Crash Bombs on him seems so hilarious to me. I can just imagine him firing every single one off at the same time as a last chance desperation attack.
Earliest source according to saucenao is this DA link from 2004(!!!). I believe itself is a repost from this forum post (which is surprisingly still online), unless the DA poster is the artist themselves.