[Kusayarou] The Girlfriend Who Was Cucked After 100 Days - 60 Days Until Cucked [Full Color]

A shy high‑school girl discovers that her longtime friend Kana, now transformed with a mature figure, has been secretly meeting her boyfriend, sparking a tense mix of jealousy and desire. As the days tick toward the inevitable 'cucking' after 100 days, the protagonist grapples with lingering affection while Kana flaunts her new allure, creating a charged atmosphere of betrayal and longing. The story unfolds through intimate panels that blend tender confession with provocative encounters, promising a vivid, emotionally fraught romance.