NCP (JP)

Veteran stewardess Ryoko tries to relax in her apartment the night prior to embarking on an overseas airplane flight. Her co-worker, a nervous novice stewardess named Yoshikawa, comes over unexpectedly and the pair partake in a torrid lesbian encounter. Matters get complicated when Ryoko's boyfriend Hiroshi, who Ryoko invited over earlier, also shows up looking for sex.

High school student Mikiko travels back in time to the future using a time machine built by Monjiro, the physics club advisor. What awaited her there was the reality that her best friends, Yoko and Tatsuro, were already married and were on the verge of breaking up. Mikiko returns to the modern world with the help of future Monjiro to mend their relationship.