一个青春期男孩心中隐秘的回忆:关于湖边人人厌弃的怪人、亦真亦幻的河童传说,好奇、躁动与不安交织繁衍......直至发现每个人心中暗藏的那头野兽。 A hidden memory in the heart of a teenage boy: about the despised strange person by the lake, the elusive legend of the kappa, curiosity, restlessness, and anxiety intertwined and proliferated... until discovering the wild beast lurking in everyone's heart.