Ri-chan - Ch. 66

[MangaDex]

 

[jonnywarlock]

RI-CHAN MORALE RESTORED

 

[Kaiser92]

Do urself a favor and get a driving license guys.

 

[jackjack9]

Actually forgot about the beach

 

[BakedBanana]

Gas, gas, gas
I'm gonna step on the gas!

 

[Coldlight]

Forget the pool, we're going to the beach!

That gyaoooo SFX feels like it's just engine noises, so I think it's OK.
Tried to look it up but it's not listed here, the author really does like making up SFX.
It might be related to ギャギュルル but there's no wheelspin so the sound is different.

 

[ImNotCreativeEnoughtForThese]

My man is braking the law with that speed

 

[kamiyathunder]

Forget the pool, we're going to the beach!

That gyaoooo SFX feels like it's just engine noises, so I think it's OK.
Tried to look it up but it's not listed here, the author really does like making up SFX.
It might be related to ギャギュルル but there's no wheelspin so the sound is different.

For reference, try Initial D manga.