Yuuta Asamura gets a new stepsister after his father remarries, Saki Ayase, who happens to be the number one beauty of the school year.

When the world’s seven most advanced robots and their human allies are murdered one by one, Inspector Gesicht soon discovers that he's also in danger.

Two young adventurers on a thrilling quest visit new lands, unravel ancient mysteries and encounter Pokémon — and Poké Balls — they've never seen before!