Come si dice in Coreano? "I wanted to stay with you in dm for...
I don't really get what you mean by 'stay with one in dm' means, but if you mean keep in touch, or keep receiving messages via dm, it would be "너무 그리워서 DM으로라도 계속 연락하고 싶었어요". if you mean stay with one as in "be together...