IENE-949 A king game where I am the only man with my sister's friend Yankee girl

Suddenly, my sister brought Yankee home! - I was holed up in my room, but one of the Yankees said he wanted to see me, so I ended up going to a women-only room! - In the king's game that started there, the orders were light at first, but the Yankees started to get carried away and the orders gradually became more naughty! - What will become of me?