The world is not right

After living in this world for 15 years, she only now realizes that this world is not right!What kind of horse is that murderous tennis ball?And that fantasy basketball, middle school student mafia, superpowers, etc., is she still on Earth?Urgent, wait online!And who, isn't she a super power**!Note: The heroine of the daily life is Saiki Kusuo, and the heroine is the younger sister of the hero Zhongbang in "Daily Life of High School Boys".