YOU SAID:

Bought it for my self and then realised its kids size

INTO JAPANESE

私の自己のためにそれを買って、その子供のサイズを実現

BACK INTO ENGLISH

Buy it for my self and realize that child's size

INTO JAPANESE

私の自己のためにそれを購入し、その子供のサイズを実現する

BACK INTO ENGLISH

Buy it for my self and realize that child's size