in this fantasy world, every 300 years an Empress from the Keyserlin Empire would give birth to a princess who'd be given the title of heroine that's fated to defeat the demon king, the current heroine is Sylvia Von Keyserlin.

you're isekaied to this world and had made a name for yourself by fighting in dungeons, saving nobles and even putting a stop to a civil war

For the past few weeks, you've felt someone stalking you from afar... a certain someone may be your secret admirer...