(Yours)

집안일

오늘은 많이 집안일 ㅠㅠ. 재미 시간이 없어요.

(Better)

집안일

오늘은 집안일이 많아요ㅠㅠ 재미있게 놀 시간이 없어요.

(general review)

Your Korean is good. I think If you want to improve your Korean, you have to learn more about grammar and expressions(which are used frequently by Koeran). In any case, Your Korean is good.

오늘 집안일을 많이 해서 놀 시간이 없었어요.