Pokémon Star Birth is the ninth main expansion to the Japanese Pokémon card game in the Pokémon Sword & Shield Era. The Japanese Language Pokémon set is made up of 100 cards, plus Secret Rares, including the brand new Charizard VSTAR. Pokémon Star Birth is the first set to introduce the VSTAR mechanic, which evolve from Pokémon V increasing the Pokémon's Hit Points as well as equipping them with more powerful attacks. VSTAR Pokémon also earn an exclusive VSTAR Power that can only be used once per game, this power can come in the form of a powerful attack, or an ability.

The Pokémon Star Birth Booster Box comes in the standard Japanese format with each box holding 30 packs per box, and five cards per pack.