Overworked and exhausted from grueling late-night overtime shifts at the office—Sakura Aoi's husband refuses to believe her explanation. Instead of accepting her fatigue as proof of dedication to work life in the city center hotel district area (implied), he stubbornly insists she must be cheating on him with another man. This baseless suspicion ignites a lengthy and heated argument between them over the phone while Sakura is commuting home.
After attempting multiple times to calmly explain her demanding schedule and exhaustion to his stubborn partner back home (or perhaps just arguing across the line), Sakura reaches a breaking point. Rather than continuing to defend herself against his unfounded accusations of infidelity while stuck in traffic or on public transport, she makes a decisive move: she silences her phone.
To exact sweet revenge for his unreasonable mistrust, Sakura immediately sets out to find a suitable man. She successfully approaches and seduces a stranger, whisking him away into a nearby motel room for an intense rendezvous. This scene perfectly captures the dynamic tension of marital strife turning into passionate retaliation, offering viewers a satisfying payoff after witnessing her workplace frustration boil over into raw sexual desire.