She graduated from a very ordinary university and got married at the age of 25. To those around her, Mei Kohinata's life is smooth sailing. However, her married life was a little different from the "normal" life. Her husband was what is commonly referred to as a "onee"! Her husband Haru, who loves cute things and enjoys cross-dressing, is an ideal wife who also does perfect housework... The popular "onee" husband and his plain wife's relaxed married life on Zero-Sum Online is now available in book form! ごく普通に大学を出て、25歳で結婚。周囲からすれば、順風満帆な人生を送る小日向芽生。ただ、淡白・クールと称される彼女の結婚生活は「普通」とは少し違った。彼女の旦那は、俗に言う「オネエ」だったのだ！ 可愛いものが大好きで、女装が趣味の旦那・晴は、家事も完璧にこなす理想のお嫁さんで…。