A dreamcore-inspired narrative RPG rooted in Chinese millennium nostalgia. The story begins in a park on a Sunday, where Xiaohan and Xiaoyu meet and promise to see each other again after school on Monday. But when a birthday wish comes true, that promise becomes impossible to keep. The game features a dual-narrative structure, allowing players to experience the story through both Xiaohan’s and Xiaoyu’s perspectives. From Xiaohan’s perspective, you will: Travel through millennium-inspired environments, gather clues, and piece together the truth; Help classmates resolve their personal troubles; Build card decks, equip items, and transform into marbles to battle dreamcore creatures; Search for the path leading to the world where Xiaoyu is trapped. From Xiaoyu’s perspective, you will: Collect food and various crafting materials; Comfort, heal, and adopt injured dreamcore creatures; Gradually build and upgrade a dream secret base; Prepare everything for Xiaohan’s eventual arrival.