人妻寝取り管理人 ～押しに弱い淑女は贖罪に堕ちる～

The story is about Suzuki Seiji, a former corporate elite who lost his job and became a condominium manager. He discovers that his former rival, Shiromizu Masataka, who caused his downfall, now lives in the same building and is successful. Despite not initially harboring hatred, Seiji's resentment grows when he learns that false rumors from Masataka led to his job loss. Seiji decides to take revenge, focusing on Masataka's timid wife, Shiromizu Kasumi. The story revolves around Seiji's journey of revenge and deceit.