Jibaku Shounen Hanako-kun 2

There is a rumor in Kamome Academy that somewhere within the school premises lies a clock that governs the passage of time in the academy. That clock is overseen by three clock keepers—each representing the past, present, and future. Despite this, an unforeseen event causes mayhem, with students rapidly aging and the academy's infrastructure falling apart. Nene Yashiro and Kou Minamoto seek help …