Since you cannot find the "Ojisan" official English release, here is how to access the experience legally or semi-legally.
The game in question, developed by a major doujin circle (specifically or similar studios known for "Ojisan" themes), involves a janitor or a driver (an older, unattractive man) who discovers leverage over the elite students of Seika Jogakuin. The "Public" aspect refers to the audacity of the acts taking place in semi-public school settings. seika jogakuin kounin sao ojisan english
: The protagonist's motivation—trapped by debt—is a common narrative device to force a "regular" person into a morally ambiguous situation. Since you cannot find the "Ojisan" official English
Then, from the back row, a girl with short hair and defiant eyes raised her hand. "Hip-hop
"I like Western music," she admitted quietly. "Hip-hop. R&B. But my mother says it's not appropriate."