Let's Hide My Little Brother

I've possessed a character in an R-rated BL manhwa. It's in a world where people, whose craziness ranges from one to ten, appear. "Franz, can you take off your clothes for a moment?" "Sister? Wh-why my clothes?" Their crazy serenade had already begun. Having been faced with the violence my younger brother had to endure, I made a vow. "Instead of Franz, I'll have *Schuette* instead." Those people are coming soon. The people who will exterminate my family, and when that's not enough, they'll devour my younger brother's innocence. "And I'll become a knight to succeed our family and carry on its legacy." If he doesn't go, I'll die! That's how I thoroughly hid my brother and decided attend all the official events myself. …But something's wrong. "I do! I love Kyla Vesta!" "If Young Miss...