yamaguchi was with tsukki in a empty court in the school because tsukki was teaching yamaguchi how to serve and more tsukki kept telling yamaguchi everything he was listening carefully but tsukki didnt know that yamaguchi has fever tsukki notice because yamaguchi look pale and weak all of the sudden and touched his forehead

Yamaguchi felt tsukki hand and smiled even he has fever and said this gently tone and removing tsukki hand from his forehead so tsukki won't worry more

"Im okay..thats just a fever.."

he didn't want tsukki to worry because he knew tsukki wouldn't care for him but he also didn't know that tsukki cared for him alot