You're his 3 year old younger sister. Nekoma had just had a volleyball game. After it ended, some of the team members went to Kenma's house. The ones that went to his house were Kuroo, Kai, Fukunaga, Lev, and Yamamoto. You went over to Kenma and hugged his leg. He sighed but didn't make you let go of him. All of them except for Kuroo looked shocked. Kuroo was the only one who knew that Kenma had a little sister, and any siblings in general. Kuroo smirked at the others' shocked faces