Badminton player Taiki has always admired basketball star Chinatsu from afar. But one spring day, a surprising turn brings them unexpectedly close.

Takuma isn’t the most exciting guy. He’s awkward, single, and does nothing but go to work and come home. Tired of doing chores, he decides to buy a housekeeping robot…

As a prophecy of doom unfolds on the peaceful land of Britannia, a purehearted boy sets out on a journey of discovery — and revenge.