He has yet to fully admit his feelings but he now walks the path he was destined for. Go young man, face your glory and accept the mighty kogal into your heart!
Ah, some tsundere goodness. We definitely also got some other great tags on display, too.
I must say though, she is definitely a great big sister/lover(?) of his. Not only did she save him from the bullying, but put on a show so good that they probably leave him alone out of respect or something.
Great ending, too...Heh, so his tastes have changed, eh?
I don't believe this to be a quote out of the actual novel ... it's probably from a doujin; but it makes sense in context:
"Little brothers belong to their big sister." - Orimura Chifuyu, Infinite Stratos.
Even though they're not blood-related, Truer Words were never spoken regarding Yuki's feelings towards Mikito, who might be holding out because of "male pride" or something. At least by the close, he seems to be *cough-cough* "coming around".