Tsuma to Mama to Boin

The protagonist is newly married to a beautiful woman. His wife cooks, cleans and does everything the typical wife does. The two of them decide to move into an apartment complex and that's when things get interesting. He ends up meeting a bunch of beautiful women within the complex. Each woman has a certain character ranging from his wife's older and younger sisters, his brother's wife, mother-in-law, and a recent widow. (Source: Hongfire edit)