Naisho no Cinderella
One day, Harukaze Gonashiro, a plain high school girl, had her secret hobby discovered by the school's most popular boy, Tsugumi Seigawa!
"My high school life is over..."
Harukaze was in despair, but then an unexpected reply came from Seigawa, who told her a secret of his own that he had been keeping to himself for a long time! From that day on, their secret shared life begins...? This is a thrilling coming-of-age love story about shared secrets, dedicated to those of you who have a hard time being honest about who you really are!
(Source: Gangan Online, translated)
Note: Originally published as a one-shot. It was picked up for full serialization on Gangan Online starting 2022-01-11.