Upon being sent to live with relatives in the countryside due to an illness, an emotionally distant adolescent girl becomes obsessed with an abandoned mansion and infatuated with a girl who lives there - a girl who may or may not be real.

Kosuke is 31, and tired of his hometown where nothing happens. On a whim, he departs for New York with dreams of making it big. 6 months later, he straggles home... defeated, and saddled with debt. Awaiting him are his old friends, a caring sister, a disgruntled father ...and a bowl of noodles. Namely, "udon" noodles. The town is built...