A: No. That key is either a stolen volume license (which will be revoked soon, corrupting your save files) or a trial key that will expire. Using it is a violation of the ToS.
Cracked software is notoriously unstable. Hours of meticulous rigging work can be permanently corrupted due to software bugs introduced by bypass code. live2d cubism license key
If your payment method expires, your license key will automatically deactivate, dropping your software back down to the Free Edition. Update your billing info in the Live2D store to instantly restore access. A Warning Against "Cracked" Keys and Keygens your license key will automatically deactivate