 Atsushi Nigorikawa is directing the series, with Hiroko Kanasugi handling series composition, Shin Takemoto and Masatsune Noguchi designing the characters, and Takamitsu Shimazaki, Hiroshi Sasaki, and Teppei Shimizu composing the series' music.On May 24, 2020, it was announced that episode 8 and further episodes would be delayed to June 20 due to the COVID-19 pandemic.An old bottle has found its way into the household of a modern family, which consists of a boy named Kan and his parents.