I’m glad I fell in love with you… Izumi had secretly harbored feelings for Fujishiro, but was burdened by an event from middle school, continuing to suppress those feelings. "I want to be number one for Kurokawa." Triggered by a single word from Fujishiro, the feelings that had been held back finally overflowed…!? What will happen during the tumultuous school trip!? The conclusion of the school trip arc and the start of a new chapter in Volume 4!