A man in his forties, briefcase in one hand, phone in the other, shifted his weight. Over seven stops, he drifted closer to Rina, who was gripping a ceiling strap with her right hand, her left side exposed. At Takadanobaba, the train jolted. His left hand left the briefcase.

The operation culminated in a swift and decisive action, with the chikan apprehended and his victims finally able to find closure. Rina's undercover work had saved countless individuals from potential harm, showcasing her dedication and bravery in the line of duty.

Posing as a vulnerable target, Rina carefully navigated through crowded streets and public transportation, areas where the chikan was known to stalk his prey. Her training and experience guided her as she skillfully played her part, all the while on high alert for any sign of her quarry.

Undercover Train Operation: A Guide to Rina’s Mission and Saves Rina’s Undercover Train Operation