Seishun Buta Yarou wa Santa Claus no Yume wo Minai

Book 13 of the Seishun Buta Yarou series. Sakuta believed he had completed the first part of his mission by locating Touko Kirishima. His next task—persuading her to assist in protecting Mai—proved more difficult than expected. During this process, he encounters an unexpected complication: multiple individuals claiming to be Touko Kirishima. The Touko he knows may not be the actual person he needs. Using hints from his friends’ prophetic dreams, Sakuta works to uncover the specific threat Mai faces. He must identify the real Touko among the imitations before time runs out.