Totsuidekita Yome ga Aisouwarai Bakari shiteru

A man notices that his wife consistently displays a strained smile in his presence, leading him to believe she may be dissatisfied with their marriage. Unbeknownst to him, her effort to maintain a cheerful expression stems from a strong, concealed affection for him, which she struggles to hide due to social expectations. The story is composed of 26 additional chapters and was first shared on Twitter before being published on Nico Nico Seiga.