The Mysterious Class is a 2021 South Korean web series featuring an ensemble cast consisting of the members of boy band Treasure—Choi Hyun-suk, Park Ji-hoon, Yoshinori Kanemoto, Kim Jun-kyu, Yoon Jae-hyuk, Asahi Hamada, Kim Do-young, Haruto Watanabe, Park Jeong-woo, So Jung-hwan, Mashiho Takata, and Bang Ye-dam. Its plot centers on a group of 12th grade students in a boys' school who try to solve the mystery of their class' resident ghost. Title: The Mysterious Class #followersreelsfypシ゚viralシfy