18+ Yome Baka Danna no Hoshii Mono

Hikari is very loved by her husband, Shuuichi. Shuuichi always compliments Hikari, even about the smallest of changes. As a result, Hikari has become accustomed to her husband's endless doting. One day, while speaking to her friend, Hikari realizes that husbands like Shuuichi are rare, and finds out that she might have been taking him for granted. While it doesn't matter to Shuuichi, Hikari decides to express her gratitude by...? A story about how a shy wife conveys her gratitude to her beloved husband through sexual favors!?

(Source: Bunkasha, translated)