Okay so I first knew about Mameshiba thanks to gg sub group (they leave commercials in their subbed shows). Then I happened to get bored and wondered if there were other Mameshiba commercials I haven’t seen (I know, great use of time). So I went on Youtube and WOW! they have a whole series. I watched all 20 of them <3. Here’s the link to the first one: Mameshiba. The rest can be seen in the uploader’s youtube page.
This one is my favourite: