As such, Cursed Speech is an inherited technique that is special to the Inumaki clan. Toge Inumaki, given his inheritance, has been known to use this technique in the series. However, aside from ...

As was confirmed by Sukuna in the chapter, the cursed speech did not come from Yuta but from Inumaki. Yuta utilized the power of Blue to push a voice recorder or a transmitter next to Sukuna's ear.