Joining forums or communities dedicated to manga, games, or Japanese culture (like Reddit's r/manga or r/games, or specific Discord servers) might help. You can ask about "MAXD 04" and see if any users are familiar with it.
If you are looking for academic research on Japanese AV subcultures or the industry as a whole (rather than a specific video), you might find the work of scholars like Akiko Takeyama Sharon Kinsella MAXD 04 - Sakura Sakurada - The Dog Game 1 58
Sakura should have tossed it. She had bills, a rehearsal to get to, an audition tape to edit. Instead she tucked the photograph into her coat and stepped into the rain, letting the city's neon smear across her face like watercolor. The address led her to a subway stop she only used when she had missed the last train and had nowhere patient to wait. From the platform, a service elevator hummed open as if on cue. Inside, the light was an unforgiving white. The elevator took her down not to a platform but to a corridor of concrete doors numbered in a sequence that began at 01 and continued, mercilessly, to infinity. Joining forums or communities dedicated to manga, games,
"The Dog Game" refers to the specific sub-genre of pet play/human-dog roleplay. Production/Series: MAX-A (specifically the MAXD sub-label). She had bills, a rehearsal to get to,
(桜田さくら), a well-known actress in the Japanese adult industry during the mid-2000s. Series Title: The Dog Game
, a major Japanese adult video (AV) studio known for high production values and specific conceptual series. Release Context: