It's the seventeeth installment in the Kamen Rider franchise and one of the most famous among all of them.
The series in well known for its comedy, a factor that is believed to be the main force of its enormous success. It spawned movies, live action spin offs and even a series of OVAs.
Title: "Outlaw Momotaro"
Airi use her bare feet to make a "flour wrap" that will hel Ryotaro to ease his muscle pain