Aiyou's sister Effie died of depression. As for his sister, who had made no contribution to the family, Aiyou was saddened by her passing, but also felt that her sister was too irresponsible.
It wasn't until she was packing up her sister's belongings that an otome game called "Light and Darkness" made her realize that her sister's death was not that simple.
Unfortunately, the game is not over yet, and she was assassinated while searching for the truth. Her obsession before her death allowed her to enter the game and become the second male protagonist, the twin adopted brothers of the female protagonist Eti Noel, the fifth brother Jaden and the sixth brother Aaron...
Sexual transformation + twin bodies
Purpose: Find the truth behind