Question:Simply I dont get the glitch to unlock him...
Answer: 1st: Reach Stage 10 in survival.
2nd: Quit Survival and play in Arcade against a character that has an SS Rank Costume
3rd: It is not necessary to complete the match, you can leave Arcade just after you started.
4th:Return to Survival, there will appear: There are Survival in progress, do you want to continue? Click on yes
5th: Win stage 10 and you'll unlock the SS Rank Costume against which you have played in Arcade
6th:Here is 8nly one costume... you need 8 more... continúe using the glitch