Because of a game given by your best friend, you transformed from an ordinary female high school student to Ema, the hotly discussed harem otome and the heroine in the anime "Brothers' War".
From now on, you are the heroine. When faced with the confessions of a knight, a pediatrician, a lawyer, a monk, a novelist, a voice actor, a game designer, a beautician, a classmate, and an idol at the same time, what is your choice?
*Thirteen brothers, living under the same roof, a wonderful journey triggered a forbidden love...
*The story begins with the game and ends with it!
Intention: Create a new female protagonist Ema