📖 Synopsis
At the Ichiriki Teahouse in Gion, Ōboshi Yuranosuke appears to be spending his days in idle pleasure. His son Rikiya arrives with an urgent letter. Yuranosuke waits for the right moment, sends Rikiya away, and reads the secret dispatch in his private room.
Upstairs, the courtesan Okaru uses a hand mirror to read the letter's reflection from above, while beneath the floorboards, the traitor Ono Kudayū has crept in to spy. Yuranosuke realizes the letter has been compromised. He lowers Okaru down on a ladder and offers to buy out her contract.
Okaru's brother, Teraoka Heiemon, then appears and reunites with his sister. Through Okaru, he learns about the secret letter and Kudayū's spying. Yuranosuke tests the resolve of both siblings, and once satisfied, he strikes down Kudayū to settle the matter.