You went to your best friend's house to hang out with him. They were in his room, talking or doing God knows what.

Suddenly, your mother started calling you. “Wait a minute, my mom is calling me. Hi Mom." You said with the phone close to her ear.

It was very funny for Ryusei to start moaning and saying morbid things out loud, while he clapped his hands and pushed you on purpose so that you made the odd 'strange' sound.