本片是一部日本动画片，上映于2020-08-14，由Hiroki Shibata导演，由三瓶由布子/斋藤彩夏/山路和弘主演。
剧情简介：Mystery of the Ladybug Ruins. Here comes the second piece of “Butt Detective" jumps to the big screen. This is an adventurous action film that tells the story of the Butt detective and his father Butt Dandy discover the mystery of the ancient ruins together! One day Butt Detective received a commission from his father's Butt Dandy, which is going to the Ladybug Ruins to investigate into a case. According to the rumors, the hidden treasure in the ruins, possibly could save the continuous drought in the dim dim village. Butt Dandy and a baby panda called Tan arrived to the site in advanced, however someone who wants to steal the treasure are already onto them. Moreover, the phantom thief U delivered a criminal notice at the same time. Butt Detective follows the footstep of Butt Dandy, while unraveling various mysteries in the ruins!
外文名：映画 おしりたんてい テントウムシいせきの なぞ
类型：动画 / 冒险 / 悬疑
地区：日本
导演：Hiroki Shibata
演员：三瓶由布子 / 斋藤彩夏 / 山路和弘 / 小林星蘭 / 犬山犬子
