And gradually, I found out their secret, one by one.

Natsuhiko is a guy who has found out Mitsuru's secret on their first day of senior high school.

People will try and find out your secret.

He is blackmailed into marriage by a woman he does not love who finds out his secret.

This enemy made me his prisoner but I have found out his secret.

It is also the reason they do not want justice after his murder: they fear that others might find out his secret.

How did they find out the water's secret in those ancient ages?

Did you find yourself worrying that someone might find out your secret?

But I found out his real secret a long time ago.

Megan is first to find out her secret but they later become best friends.