Lustful Widow

猟色未亡人

Also known as Ryôshoku mibôjin

The widowed designer, with her fully mature body, is a sex maniac. Moreover, one night, the woman was attacked by a man who had entered the building, and instead of being able to help her, she joined in with the men, and the young man who had been seeking her out was completely despairing as he watched helplessly.