隣に眠る嫁のはる香はあまりに美しすぎた。結婚から幾年、彼女の愛を疑ったことはない。だが、自分のような男が彼女の唯一であり続ける理由がどうしても見つからない。本当に自分だけを愛してくれているのか。疑心暗鬼になった夫は愛を試すために親友にある依頼をしてしまう。

Haruka, his wife sleeping beside him, was so beautiful. Years had passed since their marriage, and he had never doubted her love. But he couldn't understand why a man like himself should remain her only one. Did she truly love only him? Filled with doubt, the husband made a request to his best friend to test her love.