This is most certainly not a game you'd usually hear of anywhere, let alone when SEGA has basically all but buried Virtual-On's name internationally outside of the Kiwami 2 port, as the PS4 collection

Well, I had to talk about this one someday, more so when I used to be obsessed with this game [and its sequel] several years ago. The version I'm using for the screenshots is the Japan-only PS2 SEGA AGES

This is Virtual-On Oratorio Tangram. Yes, it is a game of fighting with mechs, and yes, they look like Gundam mechs. They actually were designed by Hajime Katoki, who also designed the mechs in...some