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Shuugaku Ryokou de YouCha to Onaji Group ni Nacchatta Mekakure InCha-chan
修学旅行で陽キャと同じグループになっちゃったメカクレ陰キャちゃん
During a school trip, the introverted and gloomy Kage-chan ends up in the same group as the extroverts. Despite her anxiety, the extroverts are friendly and enjoy the trip together without any issues.
At night, the extroverts start playing a naughty game unique to their group. Kage-chan tries her best to keep up with their vibe, but something unexpected happens: contrary to her plain appearance, her body is damn sexy. The extroverts become aroused upon seeing her, and Kage-chan's own desires awaken as she realizes the effect she has on them.
When their sexual desires reach their peak, a passionate encounter begins. What awaits them after their intense mating remains to be seen.
