YOU SAID:

I wish you could reply to peoples messages on this

INTO JAPANESE

これに関する人々のメッセージに返信できるといいのですが

BACK INTO ENGLISH

I wish I could reply to people's messages about this

INTO JAPANESE

これについての人々のメッセージに返信できればいいのですが

BACK INTO ENGLISH

I wish I could reply to people's messages about this