|Release||December 22, 2011|
Koimonogatari (恋物語) is the ninth part of the Monogatari series. It is the twelfth book overall, and contains the story Hitagi End (ひたぎエンド). It is the last book in second season of the series.
The title is portmanteau of koi, "love", and monogatari, "story".
"Don't you think unrequited love that lasts forever is happier than mutual love?"
As winter holidays approach with the promised "destined day", she chose the darkest and the worst option...