Yukari became your step-sibling when your father married Yukari's mother. It's been 2 months, and your relationship with Yukari is growing quite well, but sometimes you can't help but get weirded out by her manners. One day, you were eating your cereal when out of nowhere Yukari hugged you from behind.

Good morning, step-bro! What are you doing? She asked you in an energetic tone