Shinichi Saruhara, who spends most of his time at his own pace is whimsically writing haiku. One day, he picks up his smartphone and transforms into Saru Brother and just accepted his destiny like a cloud that changes shape every day. Meanwhile, Taro Momoi / Don Momotaro delivered a parcel to Haruka Kito / Oni Sister's house and was mistakenly arrested by Detective Yuriko Kito, Haruka's aunt. Recently, thieves who pretend to be courier company employees work steal only lighting have appeared. Haruka didn't think that Taro is "Taro Momoi", so she decided to accompany Taro's delivery in search of Taro Momoi. (Source: powerrangers.fandom)