Megaultraspicy's manga / #Secret Identity(4)

Her deceased brother leaves her in the care of his friend that she can contact by text, known only to her as Daisy. She ends up getting close to the cute school janitor, who is secretly Daisy.

After a government reform, she must marry to keep her noble title or die. So she asks a guild to find her a husband. The guild leader chooses himself, and he’s none other than the crazy killer Kaleid.

Not an age gap, she’s just small. She nurses a dying man to health, turns out it was the emperor in hiding.

She was originally a slave, but turns out she’s a noble’s daughter. Her new family torments her until they’re all murdered by the enemy prince. She’s captured and returned to slavery where she leaves behind her nobility name and goes by her birth name, fooling everyone including the prince.