The Girl I Saved on the Train Turned Out to Be My Childhood Friend, Vol. 3 (manga)

Ryou and Hina s relationship is moving steadily along, and now they ve already gone on their first date. But Torigoe still has one last card to play a confession of love! Choosing between his beloved childhood friend and his only comrade at school is enough to make any boy s head spin Ryou s got a tough decision to make, and he d better make it quick because, as it turns out, Hina heard everything!