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SUMMERTIME SAGE is an adult-themed visual novel and dating simulation game developed by an independent creator named DarkCookie. The game is set in a small town and follows the main character, a young male protagonist, as he navigates life after the mysterious death of his father. The story involves various plotlines, side quests, and numerous characters with whom the protagonist can interact. The game has a hand-drawn art style, features numerous dialogue choices, and is known for its complex narrative, humor, and mature themes. It's regularly updated with new content, characters, and storylines by its development team.