Yotsugi Doll, Part 2

Koyomi and Shinobu decide that they will go to Izuko Gaen for advice about his change. Then he has just received an email, that says Izuko has already sent Yotsugi to them to solve the problem. He leaves his sisters at Suruga just in case. The night of February 13th, Koyomi and Shinobu meet Yozuru and Yotsugi again.