Ba Quartet X

Beat stages stylishly like idiots, using charge shot, slashing attack, wall jump and air dash!

And then, when you have defeated eight boss characters...?

Ba Quartet X (バカルテットX) is a fan-made Touhou Project Mega Man X series-like action-platformer game, featuring the bakartet: Cirno, Mystia Lorelei, Wriggle Nightbug, and Rumia. It was created by Penpenmushi no Koucha