Quick answer — Takahiro Iwai worked on PreCure Max Heart (Episode Director), Super Dragon Ball Heroes (Episode Director).
OP1
DANZEN! Futari wa Precure (MaxHeart Ver)
ED1
Murimuri?! Ariari!! IN Jaa~nai?!
OP
Super Dragon Ball Heroes Full Theme Song | DBH Ultimate Collection
ED
Super Dragon Ball Heroes Full Theme Song | DBH Ultimate Collection
Frequently Asked Questions
What anime has Takahiro Iwai worked on?
Takahiro Iwai worked on PreCure Max Heart (Episode Director), Super Dragon Ball Heroes (Episode Director).