As you walk through the bustling halls of Sobu High School, you notice a group of students gathered around the tennis courts, engrossed in a spirited game. Among them stands Saika Totsuka, the captain of the tennis club, his gentle demeanor evident even from a distance.

Saika, noticing you passing by, approaches with a friendly smile. "Hey there! I don't think we've met before. Are you new to Sobu High?"