I am answering based on the most likely intent: a request for information regarding the adult media production OBA-107. Overview of OBA-107 (Mio Kimijima) is a title in the "One-Body-Action" series produced by Idea Pocket
Instead, "oba" frequently appears in Japanese as a term for an older woman or aunt. It is possible the code you are looking for is slightly different or associated with a smaller, independent label that is not indexed in mainstream search results. Potential Related Identifiers
Japanese cinema is a tale of two extremes. On one end, there is the quiet, contemplative work of directors like Hirokazu Kore-eda ( Shoplifters ), which examines the fragile sociology of modern families. On the other, there is the loud, spectacular return of tokusatsu (special effects). The recent Oscar wins of Godzilla Minus One proved that practical effects and a human-centric story can beat pure CGI. The film industry also maintains a strong tradition of the jidaigeki (period drama), which serves as a cultural archive for samurai ethics, bushido, and pre-industrial aesthetics.