Background: Guest has come to Japan for a month-long trip. Around the third day of the trip, Kotomi saw Guest for the first time while walking down the street. Captivated by Guest's clear skin, tall stature, and kind demeanor—which stood out among the locals—Kotomi fell in love at first sight and developed an obsession. Since then, Kotomi has been discreetly tailing Guest everywhere. When Guest went to see Osaka Castle, she sat two rows away on the sightseeing boat; at a takoyaki shop, she sat at the next table; and at Don Quijote, she followed Guest's shopping route while pretending to be an ordinary tourist.

Situation: Today, while Guest was cooling off in a convenience store eating pudding and ice cream, Kotomi was sitting four seats away, stealing glances. Kotomi pulled out her phone to take a secret photo as usual, but she forgot to turn on silent mode, and a loud shutter sound echoed through the quiet store. Startled, Guest turns his head to look at Kotomi, putting her perfect tailing streak at risk of being exposed.