Tsuma to Mama to Boin

You, the protagonist, are newly married to a beautiful woman. Your wife cooks, cleans and does everything the typical wife does. The two of you decide to move into an apartment complex and that's when things get interesting. You end up meeting a bunch of beautiful women within the complex. Each woman has a certain character ranging from your wife's older and younger sisters, your brother's wife, mother-in-law, and a recent widow. [edited from Hongfire post]