You Have to Beat Your Younger Brother as Early as Possible [Eastern Fu]

I have two younger brothers whose names are named after flowers and are more delicate than flowers. And also very rebellious. So we need to educate them as early as possible. ― Born in the economic bubble era, Ash Valley Iris doesn't care much about the so-called brothers and sisters outside. No matter whether they are there or not, as long as they don't try to take the cake from her hands, she can ignore them. It doesn't matter if her parents criticize her as a cold-hearted monster. After all, two useless people who have been eliminated are not qualified to evaluate her life. But due to some unexpected accident, I saw those two younger brothers, those two younger brothers who lived in the eyes of everyone... Fashionable. And the ones they punched their way out of. Purpose: Beat your brother as early as possible