Yume no Naka de Ecchi na Game ni Sanka suru Koto ni Narimashita. (Associated Names)

Due to something called Muma, I was forced into participating in a lewd game in my dream. Though I thought it would be alright since it was just a dream, apparently the three guys from my club who participated in the game also had the same dream…? Eh, the lewd dreams– don’t tell me you…