Tooyama Kaori

Yukari's brother's wife.

She was Yukari's classmate and friend in school, but her personality is the complete opposite of Yukari's—she loves flashy things.

Just like in the previous work, whenever she fights with her husband Kouji, she runs away from home and ends up staying at the Sakagami household.

Wandering around naked after bathing is perfectly normal for her. She's also intensely curious about Yukari and Toshiya's nighttime activities.