Love Flute

I was just an amateur pianist trying to make it big as a busker on a college campus. But one day, the "ghastly maiden of the campus" came to find me, accompanied by the mysterious sound of her flute. The ghostly maiden says that she needs to perform with me in order to fulfill her mysterious "Han," but what does that mean...? [From [url=https://store.steampowered.com/app/1735980]Steam[/url]]