【PIGGSTAR】The Strongest Disciple Ever Returns

In exchange for the masters staying in Liangzhu, Miu continues to have her body played with by them.
She can’t refuse the increasingly escalating play.
In the end, she causes a double buzzing incident at school.
After this incident, Miu chooses to surrender herself to the desires of others without questioning her school or her home.
What is the surprising action that Ken-chi takes against such a girl?