Jijou wo Shiranai Tenkousei ga Guigui Kuru. S01E13 - 10 Years Later, The Same As Today

Retrieve the ticking time bomb planted in classroom 5-1 at once! Taiyou finds himself suddenly entrusted with this top secret mission. The fate of his classmates is in Taiyou's hands! The bomb's location is... inside Akane's locker?!