4 official rulings from Bandai, last ruled Mar 28, 2024. Straight answers to how this card actually resolves.

When this card's <On Play><When Digivolving> effect plays a [Fujitsumon] Token to my opponent's battle area, which player's Digimon does it become?
It will be treated as the opponent's Digimon. You can choose appropriate targets for this effect, such as the target of attack for your Digimon, or target your opponent's Digimon.
Ruled Mar 28, 2024
If there are 4 or more total Digimon including the [Fujitsumon] Token played when using this card's <On Play><When Digivolving> effect, can you play it to your battle area?
No. You can only play the token in your battle area if there are currently 4 or more Digimon in the battle areas without including the token.
Ruled Mar 28, 2024
[Fujitsumon] Tokens have an <On Deletion> effect, but because tokens are removed from the game when deleted instead of being placed in the trash, does this mean that the effect doesn't activate?
Tokens aren't sent to the trash when deleted, but <On Deletion> effects on tokens will activate as if the token was a Digimon.
Ruled Mar 28, 2024
Does this card's inherited effect also trigger when one of my effects plays an opponent's Digimon?
Yes, it does.
Ruled Mar 28, 2024
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Questions and answers are Bandai's official rulings, collected and translated by the DigimonCardGame Wiki community and reused here under CC BY-SA. Card names and card text are © their respective publishers; Combalo is not affiliated with Bandai.