Tsukimonogatari: Yotsugi Doll
The time is February, after the ordeal with Nadeko Sengoku was resolved thanks to Deishu Kaiki working behind the scenes. As Koyomi Araragi studied for that last push before the college entrance exams, a change to his physical body that "could not be overlooked" was starting to happen. The difference that could be described as retribution for all his past action is...!?
[Source: Anime Consortium Japan]