"Big sister, may I have that?"

"Big sister, can I have that?" My little sister is always extorting my things. Dresses, accessories, even fiancé candidates. A story about a sister who loses everything every day, a sister who takes everything, and a non-triangular relationship with the sister's fiancé. ※Please read with your brain completely empty. Don't worry about whether this is in the romance category or not. Your suspicion is correct. Probably. 9/3 Update: Unexpectedly ranked in the daily rankings of the otherworldly romance genre. My deepest gratitude! And everyone, are you all sane? (Translation: Even deeper gratitude)