Daigo Tanji

The life of an American woman living in Kyoto, Japan, is upended when her husband and son disappear in a mysterious plane crash. As consolation, she's given Sunny, one of a new class of domestic robots made by her husband's electronics company.

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.