Belial-sama wa Shitennou no Naka demo xx - Vol. 2 Ch. 12.5 - Belial-Sama and TV Shopping

[MangaDex]

 

[StolenGene]

I was only able to find six of the seven differences.
Edit: Ah, it was the window I missed

 

[kucabara26]

I don't know what the difference from the window...