This PV is likely pre-animated considering only the animation was done in house.

Imaizumi worked on it, this should be his scene, minus what looks like a Kouda correction as Boruto leaves the smoke at 0:13
https://twitter.com/NARUTOtoBORUTO/status/1340168735194148864?s=20

edit: all action by Imaizumi https://twitter.com/0wY07pVeHNAiSjJ/status/1340296448030601218?s=20

I still think Kouda corrected that Boruto drawing a bit