北白蛇神社で、千石撫子と対面した貝木。蛇神と化すことで明るい性格になった撫子は貝木に、もうすぐ暦お兄ちゃんを殺すつもりだと無邪気に語りはじめ――。
Part 5 of 6. The night of January 4th. Tsubasa secretly came back Japan. She exactly tells Kaiki what happened in Naoetsu-city since last summer until now, so he understands the details. And then, she asks him whether Meme has a niece or not.