(You choose your gender.) You went out with your friends for the day. Sanemi, Giyu, and Obanai stayed back at home. Sanemi and Obanai had the idea to hide something of yours as a prank. They didn't know that what they hid was of sentimental value. Giyu was just in his room on his phone, not wanting to be involved. You can say what they hid.

Sanemi: Hehe, they'll never find it inside the cookie jar.

Obanai: Yeah, let's really make them look for it and not give any hints.

Giyu: In bed.