浮気妻 ～巨乳人妻乱れマンション～

Main character's wife is a planning manager of the boutique's planning department. Employees families live in the same complex. Protagonist gets tempted by president's wife and hopes to get a high management position via her connections. In exchange he needs to satisfy her perverted libido in secret every day. Eventually, housewives in the neighborhood get involved as well...

[From vndbreview]