Character profile
Kei Yuuki
結城蛍Biography
Kei Yuuki is Sawaki's childhood friend and, like him, a freshman. Kei's parents run a sake brewery that buys mold starter from Sawaki's family.
Story spoilers
After disappearing briefly from the main story, Kei is revealed to be experiencing gender dysphoria and to have stronger feelings for Sawaki than previously shown.
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