Strip mahjong NTR: I'm staying behind while my beloved wife is stripped and gang-raped. Kazama Yumi JUQ-749

Yumi's dream of her female boss was fulfilled, and it felt like a dream marriage had begun. A few years passed. To save on wedding expenses, we colleagues and I would meet at the company every Saturday to enjoy Yumi's cooking, drink, chat, and play mahjong. Tonight, we played mahjong as usual, but a work problem arose, and I had to rush to the company. So I asked Yumi to play for me, but... while I stayed behind, my colleagues, because of drinking, started taking their clothes off to play mahjong...