Seishun Buta Yarou wa Santa Claus no Yume wo Minai

Book 13 of the Seishun Buta Yarou series.

Sakata, Mai, and Ikumi's shared dream only deepens the mystery of Touko Kirishima. Is she really the same person as Nene Iwamizawa? And what does it mean if Sakuta isn't the only one who can see her?

(Source: Yen Press)