Aris, a brilliant but socially anxious math prodigy, finds her quiet life disrupted when she’s paired for a project with Haru, a vibrant gardener who views the world through colors and scents rather than logic. As they study in the glass-walled school conservatory, Aris learns that some feelings can’t be solved with an equation, while Haru finds beauty in the structure of her world.
In a town where it never stops raining, Mio runs a cafe that only opens at midnight. One night, a weary celestial messenger named Kael falls from the sky and lands on her balcony. As Kael recovers, he helps Mio bake "starlight pastries" that give people happy dreams. The romance blooms over shared mugs of cocoa and the quiet magic of the rainy night.
Ren is a street artist who paints murals in a monochrome city. Saki is a blind pianist who can "see" the emotions in music. When Ren starts describing his colors to her, and she plays the melodies his art inspires, they create a secret world of sensory connection that begins to bring literal color back to the gray streets around them.
While working at a dusty archives library, Hana finds an unfinished love letter from 1950 tucked into a book. She teams up with Kaito, a cynical history major, to find the intended recipient. As they track down the mystery through old neighborhoods and forgotten shrines, they realize they are accidentally writing their own love story through the notes they leave for each other.
After moving to the countryside, Yuki discovers that her neighbor, a shy boy named Taku, is actually a minor deity of the local woods. Their romance is told through "small gifts": a perfect acorn, a crown of wildflowers, or a sudden sunshower when Yuki is sad. It’s a story of protecting the environment and the delicate growth of a first crush.
Sora is a "bad luck magnet" who carries an umbrella even on sunny days. She meets Teru, a boy who seems to have literal sunshine following him wherever he goes. They discover that when they hold hands, their luck balances out perfectly—but only if they stay within three feet of each other. A sweet comedy about the "forced proximity" of two polar opposites.