|trigger = After reaching 8 hearts with both 文森特 and [[贾斯]], enter [[苹果酒森林]] during [[春季]] on a sunny day between 6am and 5pm.
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|details = Vincent will explain how to clean [[大葱]] by removing insects. Afterward, the player gains [[青葱技术]], which permanently increases the sell price of 大葱 by 5x.