Netorareta Bakunyuu Genki Tsuma Youko: Ikaji Daikou Saki de Toshishita Serebu no Onaho Tsuma ni Saremashita

The work is long and hard, but this housewife is eager to please! Happily married for three years, Youko and Tomohiro Nitta are saving to have kids and start a family, but finances are tough. In order to help save up money, Youko takes a part-time job doing housekeeping work for a rich client, but she quickly finds herself "persuaded" into using her body for a different type of labor.
(Source: Irodori Comics)
Note: A live-action AV adaptation (NIMA-019) was released on October 26th, 2023.