- The Knite contest, which brought forth much silly crossovers and randomness, as well as a Fountain of Memes. If the angst of the real thing ever gets to you, read the entries from yuumei's favourites page.
- Author comments, especially on the beta pages
- Chapter One Omake. Kai tries to cheer Sen up by offering to buy ice-cream. Sen refuses, saying "don't try to bribe me!" In Chapter Two after Kai has convinced Sen to come to school, they are both eating ice-cream.
- Sen on Fei: "That woman was...so terrifying..."
- Chapter 2 bonus: Sen's infamous facebooking of Kai.
- The 'childish' fight of Sen and Kai after Sen's Hit Me, Dammit! moment. The author's comment takes it Up to Eleven