Ichigeki Sacchu!! HoiHoi-san is a Japanese anime series based on a manga by Kunihiko Tanaka. The story is set in a future where household pests have become resistant to pesticides. To combat this, miniaturized robots called HoiHoi-san are used to eradicate these pests. The series explores the humorous and chaotic situations that arise from using these tiny exterminators. It combines elements of science fiction and comedy, delivering a unique take on futuristic pest control.