YOU SAID:

i like my friend kai but he likes a girl named alexsis who will be partisipating in a video tonight

INTO JAPANESE

私は友達のカイが好きですが、彼は今夜ビデオに参加するアレクシスという名前の女の子が好きです

BACK INTO ENGLISH

I like my friend Kai, but he likes a girl named Alexis who will be joining the video tonight

INTO JAPANESE

私は友達のカイが好きですが、彼は今夜ビデオに参加するアレクシスという名前の女の子が好きです

BACK INTO ENGLISH

I like my friend Kai, but he likes a girl named Alexis who will be joining the video tonight