[Summary by: Love_blossom] Its been told that if a couple sees the blue train at exactly 6 am together, then theyll be together forever! If they see the blue train at exactly 10 pm, then theyll break up! Haruru is finally going out with the guy she likes, Nagi. She hopes to see the blue train at 6 pm with him. But what if she sees it with someone else....? From Nagareboshi Manga: Theres a jinx at Harurus school - if a couple sees the blue train at 6 am together, theyll be together forever! But if a couple sees the blue train at 10 pm together, theyll break up! Haruru is going out with Nagi, a boy who goes to another school, and their love is just starting to blossom. But what happens when Haruru happens to see the 6 am blue train with someone else?!