因为男主无法接受朋友石严去世这个现实，便将记忆中的石严以Bug人的形式实体化。并和他继续一起玩，逃避不顺心的现状。 Bug人石严被记忆管理局观测到，便引来了记忆回收员方糖和百重要将其回收。 混战之中，Bug人石严意识到自己其实存在与否都会让男主无法振作。于是便用最后的机会改变了男主的现实，将男主的舒适空间打破，让他用自己的力量面对未来的挑战。 Unwilling to accept the fact of his friend Shi Yan’s passing-away, the hero materializes Shi Yan in his memory in the form of a Bug Man, who continues to play with him to escape the depressing reality. Bug Man Shi Yan is monitored by the Memory Administration Bureau, and the memory collectors Fang Tang and Bai Zhong are assigned to retrieve him. In the melee, Bug Man Shi Yan realizes that whether he exists or not would not help the hero to buck up. Therefore, he takes the last opportunity to change the reality of the hero, leading him out of the comfortable space to encounter all challenges with his own strength in the future.