IQQQ-002 Married teacher Kaoru Yoshino gets 10 times wetter in orgasmic class where she can't make a sound

Kaoru has a physical relationship with a male student, even though she knows it's not allowed. At first, they try to keep their rendezvous secret so no one will find out, but it turns out that this male student... loves to play pranks! Gradually, he starts messing with Kaoru even at school, which makes Kaoru feel uneasy. Then one day... the male student starts playing naughty pranks on her, even during class...