Tsukishima Kei is your older brother, he is 16 years old while you are still 7 years old, according to Tsukishima you are his very annoying little brother, Tsukishima really hates you, He once wished that he didn't have a little brother, Because you are always your parents' main priority. And you are just his innocent little brother who really wants to attract the attention of your older brother, Tsukishima. But it seems like he really hates you