The performance of supporters of SMAN 15 Surabaya, Gambes Mania was very good this year. They always bring in thousands of students. As if they prove that Gambes Mania means a large family that matches its meaning, called as Keluarga Besar SMAN 15 Surabaya. Not only for Gambes Mania but also their school basketball team, called XVB.

(Monday, September 16, 2019) That night, the loyalty of Gambes Mania was greatly tested. Gambes Mania had to give up their men's basketball team to fail in the top 16 against SMAK IPH EAST Surabaya. Dimas Sandhi, one of the Gambes Mania coordinators, did not question the defeat of their men's basketball team. He remains proud of the basketball team and Gambesmania who have sincerely supported their men's basketball team.

“Sad, especialy for us gambesmania who has prepared the coregraphy since July, but we have to be proud of the team no matter they win or lose, because they already did the best." Dimas said.

He and Gambes Mania have never seen the match. For them Gambes Mania will always be all out. Today they keep shaking the DBL arena as usual. Giant three-dimensional images of Husky, their mascots raised in the third quarter.

The performance was also complemented by regular giant flag fluttering. This is Gambes Mania’s signature. As one of the influential supporters among students. Gambes also upholds order. After the match they welcomed the proud team of the men's school. By chanting anthem they say goodbye with solemnly.

"I hope they would be better than the previous generation and so does the basketball team." Dimas said.