The Janitor's Secret Identity! — Episode 10

Cleaning campus silently, no one knows—he was once the business emperor who shook the world! Jack, retired military industrialist, hid his identity as a janitor to enjoy a normal life. Kicked out by his son to make room for a nursery! An accident, he saves a girl, gets 'forced to marry' her mother—the arrogant principal Emma. 'Contract marriage?' He signs with a grin, finding the game fun... Who knew—school's financial crisis? He clears it with a flick. Board conspiracy? He crushes it secretly. When Emma is cornered and the school waits to mock her... The mocked 'janitor' is the world's richest billionaire!