Ayakashi Chaya de Machiawase

Su, the son of the heir to a confectionery shop, is taken by his uncle to the high-class brothel Gekima Teahouse. Having no experience with either men or women, he is bewildered by the beautiful young men and women, but when he goes deeper into the teahouse, he is attracted to a young man with red eyes. I want to see those red eyes up close. With this in mind, he picks out a young man called Haru. As he waits in the room he is shown, he appears...?