I Had Only Given Him a White Handkerchief 'Casually' at the Ball, but Now This Knight Is Pressuring Me to Become His Fiancée!

Melietta, a daughter of a Count, was now of marriageable age.
At a ball held to find potential suitors, she casually handed a handkerchief to a knight present as a token of their meeting—
Only to have him storm into her estate the very next day and propose!
Initially hesitant, Melietta finds herself drawn to the kind knight.
But his true nature... “I won't let you escape—no matter what it takes.”
His overly protective, possessive nature (yandere) becomes increasingly apparent?