According to sakuga@wiki, and just like the other post, sourced from Takashi Otsuka's currently lost website*, Yamada only handled the effects for this.

Specifically, it's phrased like:

sakuga@wiki said:
1：必殺バンクの一部（エフェクト※大塚隆史のサイトより）

*if anyone can help me find this please reach out to me by any means possible.