Here's my pet theory, Nekoguchi didn't want to reintroduce Mikawa because she's incredibly two dimensional (pun not intended) and he wanted to cash in on the fad that is the gyaru.
The solution? Fujishiro.
You get the drama associated with a love simplicial complex, a character that has some...
@Jeiben: How is he supposed to end it otherwise?
@Kachidoki: They only started sleeping together a little under two months ago, she won't get a visible bump for a while longer.