"This Must Stay Hidden" is a story-driven visual novel. It follows the journey of Teo, a humble student whose life is shaken by unexpected revelations about his family. These discoveries force him to take action and make difficult decisions. As he finds himself drawn into a series of unforeseen events and complex relationships, all of this begins to change him in ways he never anticipated. This story is about how chance and decisions can lead to the most unexpected events and consequences, not always positive ones.