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[Hitoi] Couples App (Pixiv Fanbox) [Hakua]
Uploaded June 8, 2026
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Parody
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Description
A couple decides to try a health‑tracking app designed for partners, sharing heart rate, temperature and location data to stay connected. When the app logs Suzuka’s recent visits to a bar and a love hotel and shows her heart rate spiking to 113 BPM during a high‑fertility day, the boyfriend suspects she’s cheating. The discovery fuels a tense, seductive showdown as he confronts the possibility that their two‑year relationship is being undermined by secret encounters.Show moreShow less
A couple decides to try a health‑tracking app designed for partners, sharing heart rate, temperature and location data to stay connected. When the app logs Suzuka’s recent visits to a bar and a love hotel and shows her heart rate spiking to 113 BPM during a high‑fertility day, the boyfriend suspects she’s cheating. The discovery fuels a tense, seductive showdown as he confronts the possibility that their two‑year relationship is being undermined by secret encounters.
