Kyoko was an incorrigible child who met an eccentric trainee teacher. His name is Katsuya Honda. Their relationship, which started out as nothing but a chance meeting, develops into a nearly inseparable fate, but what awaits them is a reality that is a far cry from what anyone would consider blessed. However, the most important thing in the world to Kyoko and Katsuya—Tohru Honda—is born. Peacefully and gently, this period of happiness passes by. Or so that’s what everyone thought...

This is the story of the short-lived, irreplaceable path that Tohru’s parents, Kyoko and Katsuya, took. “You need to get lost once or you’ll never arrive at your own answers.”

Kyoko was unable to put her faith in anything in this world and was leading a desolate life. She meets a trainee teacher named Katsuya Honda, who has just moved to the area to start his position. She’s led around by his feigned politeness and quirky habits and slowly starts falling for him. However, following the events of an incident that happened between her and the bad company she keeps, her parents disown her. This is the punishment she gets for always doing whatever she pleases. While that thought is racing through her mind, Katsuya appears in front of her...