Manhole Cover Tracks
In *Flip Flappers* episode 7, Papika and Cocona chase a mysterious orb of light through a residential area, and the camera focuses on a manhole cover by the roadside, showing faint footprints that hint they just ran over it.
Scene context
第7集 约15分02秒（902秒）
Visit notes
- 该井盖位于福岛县二本松市某处住宅区步道上，是剧中的一个背景道具。
- 制作组实际拍摄了当地多个井盖花纹作为参考，最终采用了圆形排水盖的样式。