Umi Natsukawa - Zdzirowata żona uwodzi każdego mężczyznę, gdy ma ochotę się pieprzyć

Whenever my brother's wife, Umi, who lives with him, goes on a business trip, she seduces me. She even takes over for him during the three days he is away on business trips, bringing men into the house and cheating on him as if to show me.