Here is the reality check for collectors. Bubble de House de The Animation 1 Portable was never released outside of Japan. It was a niche title within a niche genre. Furthermore, due to Sony’s stricter content policies on the PSP, only a limited number of physical UMDs were pressed.
Since "House" is the clearest part, we start here. The House of the Dead is a light-gun arcade shooter where you blast zombies to save a mad scientist's daughter. Portable versions have been rare but exist. bubble de house de the animation 1 portable
Because of copyright, I cannot link directly. However, these communities discuss obscure crossovers: Here is the reality check for collectors
