This post was deleted for the following reason:
Flagging pool for being both poorly drawn and not humorous enough to justify keeping it. The series as a whole is what's being flagged on grounds of quality, so quit with the "part of a series" appeals ()This image is unavailable on Donmai. Go to Danbooru or disable safe mode to view (learn more).
Artist's commentary
Cirno Knows Biology
Did you know that, secretly, Cirno knows lots of stuffs?
Yeah, I have my own reason for doing this.
Done in SAI, and yes, I write all that on my own.