Tsuujou Kougeki ga Zentai Kougeki de Ni-kai Kougeki no Okaasan wa Suki desu ka?

High school gamer Masato Oosuki is stoked to be transported into a video game world and given the chance to show off his chops...but why is his doting, embarrassing mother in the game with him too?! And why is she so good at it?! Welcome to a whole new kind of momcom role-playing adventure based on the original light novel series! (Source: Yen Press) Note: Includes one extra chapter.