main characters: 

minho- yuri's ex-boyfriend

               -still loves yuri

              -very rich

yuri-minho's ex-girlfriend

         -heartbroken b'cuz of minho

         still loves minho but a bit of sadness and hatred

nickhun-matchmaked by taeyeon to yuri

                  -quite rich but not as rich as minho

                  -wants yuri to be his girlfriend

minor characters:

taeyeon: yuri's bestfriend, matchmaker

onew: taeyeon's boyfriend

krystal: (read to find out)