It turned out that one of the Hourai's gem branches had been kept inside the enclosed space in an ink brush painting belonging to Nuinoin and his wife. With Byakuya's help, Aoi enters the world of the ink brush painting with Ginji, Ranmaru, and Chibi.

The kagura hall is lit up and the ceremony has started. Lured by the smell of cucumber, Chibi goes inside the screen. After hearing his scream, Aoi pulls up the screen only to find out that the umi-bouzu has the same feelings that she had in the past.