It is a comedic spin-off of Id:Invaded, depicting "chibi" style versions of characters in a series of fourth-wall breaking skits. (Source: Id:Invaded Wiki)
Isekai Maou to Shoukan Shoujo no Dorei Majutsu Ω Mini Anime
Aharen-san wa Hakarenai Mini
Prayer X
Nameless
Adachi to Shimamura Mini Anime
In the Back Room
Amemiya-san
Boku no Sensou
Mr. Fixer
Dainouteki na Rendezvous
Shin Shinka no Mi Gekijou
Baten Kaitos
Satsuriku Tenshi Jibril PV
Planetes Picture Drama
Hyper Positive Yogoremon
Zanki