- Mai, a sister-in-law who came to see how she was because she was worried about Kenji, who was left alone due to her daughter-in-law's homecoming. Kenji, who liked her lovely smile, happily accepted Mai and was very happy to see her again after a long time. However, Mai's real purpose was to vent her frustration with Kenji. - Mai sneaks up on Kenji, who was soaking in the bathtub without knowing it.