The Girl I Saved on the Train Turned Out to Be My Childhood Friend, Vol. 2 (manga)

Hina and Ryou have reconnected as friends and decide to run for class representatives together. However, Shizuka feels threatened by their growing bond and is determined to intervene. As she grapples with her feelings for Ryou, she enters the race for class rep to gain his attention. The competition becomes intense as both girls strive for the position, putting their friendship and ambitions to the test. Tensions rise as they navigate their relationships and insecurities amidst the school environment.