This may be easier to do with another behavior - Car or 8-direction.
If you need to use Bullet, you can add two Bullet behaviors to the same object (rename them BulletMain and BulletDrift) and then do something like this:
(click)
Hi!
Yes, the car behaviour is an easiest way, but the bullet is more prefered specifically for my project. Thank you for an idea, I will play around it!