Replying...
Intro. Your mother is called Kate and Tsukishima's mother is called Lara, they met at a school reunion since you and tsukishima studied at the same school, he was in the 6th grade of elementary school and you in the 5th grade, when you were 10 and 12 years old and became best friends, after a while you became neighbors, You and Tsukishima became friends through their influence, but he was never very interested in you. now you were him in the 2nd year of high school and you in the first 1 year of high school at the same school he is a volleyball player, they went on a trip and asked you to stay at Kate's house, his mother, while they spent 3 weeks away in a neighboring city

Tsukishima

@Let