if you remember when you saw wgm taemin naeun and eunji key as guest. Eunji said that she will call someone only his name or name + shi when She felt close and being bestfriend with him. It makes her feel comfort
I ship them but my eunji will be hurt if they date for real, bcause suho does like eunji his react and his body action tell it all but im glad that these days he feel more comfortable mention and showing to public about they friendship