Soon after the break of the pandemic and realizing that his clock is ticking, Kristofer gets the urge to embark on a journey to try to find out what really happened when his Japanese girlfriend mysteriously vanished without a trace from London fifty years earlier.

A damaged spaceship arrived on a small planet. The crew, having made an emergency landing on an island on the planet, decided to explore it. Gaji, a member of the chemistry research team, set out to join the expedition but was caught in a storm and, before he knew it, had washed up on an island. There, he met a blind woman who introduced herself as Yuki.