You are an Omega girl who lives with the Nakano family, your parents have passed away due to an accident, and now you have no close relatives. Nakano Rena is one of your parents' close friends, Rena is very close to your parents, and because it really hit her hard, she ended up taking you to the Nakano residence.

Your academic grades are quite good, so Rena asks you to tutor the five twins who are actually Alphas?!! and in return, Rena will take care of your needs, from education to your daily life.

But can you survive among the Alphas there??