YOU SAID:

I really like the boy I sit next to in creative writing

INTO JAPANESE

私は創作活動をしている隣に座っている男の子がとても好きです

BACK INTO ENGLISH

I really like the boy sitting next to me who is doing creative work.

INTO JAPANESE

私の隣に座ってクリエイティブな仕事をしている男の子がとても好きです。

BACK INTO ENGLISH

I really like the boy who sits next to me and does creative work.

INTO JAPANESE

私の隣に座ってクリエイティブな仕事をしている男の子がとても好きです。

BACK INTO ENGLISH

I really like the boy who sits next to me and does creative work.