Rick's quiet acceptance of mystery, asking no questions when Kaguya washes ashore, sets the entire tone: this is a show content to let you breathe. The animation doesn't serve the plot; the plot serves the animation, giving you permission to just watch bread rise and light catch on water for twelve episodes straight. It never commits to being a real fantasy, which is exactly the point, it's built for people who want spectacle without stakes, a world where the biggest conflict is choosing between fishing and baking tomorrow morning.
Rick has built a quiet life in Windaria, a coastal town where the sea deposits forgotten things: treasure, wreckage, and occasionally people. When Kaguya washes ashore with no memory of who she is or how she got there, Rick recognizes the disorientation in her eyes. He knows that feeling well. What starts as simple compassion becomes something far more complicated when shadowy figures begin arriving in town, all hunting for the girl. Rick's sword arm, dormant for years, springs back to life. Between teaching Kaguya how to navigate a world she no longer remembers and fending off increasingly dangerous threats, he faces a larger mystery: why is Kaguya worth so much trouble? As danger closes in from multiple directions, Rick must uncover the truth about her past before those chasing her destroy everything he's built. The town's peaceful isolation becomes a fortress, and survival depends on what Rick discovers about the amnesia he and Kaguya share.