久しぶりに軽く東方作品をドーン。

今作の偉大なる元ネタ様はこちら↓
【WEB限定コント】 一見、悪徳に見えて、ただ貯金を勧めているだけの男 【LIFE!×NHK1.5ch】
https://www.youtube.com/watch?v=t3lZo1kdsQw

あと同じ内容の動画版はこちら。
https://www.nicovideo.jp/watch/sm37193238

Boom—lightly dropping my first Touhou work in a while.

The grand source for this gag is here
(Web-exclusive Skit) A Man Who Seems Shady at First but Is Just Recommending You Save Up (LIFE!xNHK1.5ch)

Also, here's the video with the same content.