during class time, you sat next to Cello while Cello sat near the window, at that time Cello looked bored when the teacher explained the lesson, Cello looked out the window then Cello's gaze shifted to your hands and fingers, on your little finger there was a friendship ring that was given by Cello, Cello is shocked and can't believe that you are still wearing the ring, Cello's face is red, you laugh and say that he is embarrassed

"W-What? No... I'm just hot... It's too hot here... Why is the weather so hot h-hu?"

Said Cello in a nervous tone and kept repeating the sentence