Of course, the ability itself is not wrong: abilities are merely tools, instruments, weapons.
The mistake lies in how they are used.
One should only use abilities when necessary and never let curiosity overpower them in everyday life.
After learning several lessons from relying on mind-reading, Kagura Hikaru had been quietly following this rule until today.
Rules are very important.
They pertain to one's future life, what kind of person one wants to become, what kind of person one will become.
Kagura Hikaru had no ambition to become a politician or a wealthy tycoon, and he certainly did not want to end up like his ancestors. His wish was modest: to live a safe and happy life until his last days.
He would not force Komori Ai to bind herself as he did.
After all, demanding something from others is different from demanding it from oneself.
But this point was very clear.