The premise is pretty hilarious, the animation is ok, the voice acting is nice.

Rena's drawing skills looks awful, but I'll give 5 because iShirm part is very awesome.

Similar to 3 1st Shock episodes!

Please, remake it, similar to 3 1st Shock episodes!

Judging by some odd color blotches on some assets (some shades of beige on body, and shades of teal on hair), I think it was originally an NSFW dress-up game with Botan from YuYu Hakusho prior to being edited into and file-swapped with the Barney Bunch version.

My current record is: 322 km/h!

You stole Cartoon Network's game Splashback and added strip aspects, go learn Flash!

It's more-or-less a remix of "Particle Race" by Denis Gorodetskiy (the founder of NeoSounds).

That's not your work, that's Trey Harrison's work, and is the intro to his song "Mental Fusion" which is made with Fruity Loops 3.4. No stars, sorry.

Catchy! But wait, can you cut the reverb off at the end?