You step into a dream that feels more real than your life. The show takes the supernatural swap, girl lands in 1907, meets a man who's already in love with her doppelganger, and instead of using it as spectacle, uses it to ask what romance actually costs when you're living someone else's future. By the end you're not watching a time-travel puzzle solve itself. You're watching two people try to love across a century that doesn't want them to exist in the same moment.
Hina's rainy day dreams feature a mysterious boy and a garden that shouldn't exist. When she finds that garden in real Tokyo, she meets Takaaki, a young man convinced she's his fiancée Hinako. He pulls her through the familiar gate into a world that looks like Japan but feels impossibly distant. The year reads 1907, and her doppelganger waits at what he calls their shared home. Caught between two versions of herself and two different eras, Hina can't tell if she's dreaming, living, or trapped in something worse. Takaaki seems genuine in his confusion. Her other self knows secrets about the garden, about why Hina keeps returning on rainy nights, about a connection that spans more than a century. The boundaries between past and present blur with each downpour, and what started as romantic confusion becomes something far more complicated. Time isn't the only thing tangled here. Neither is identity.