It seems you're referring to a specific Japanese phrase: "Erogē o mo, game o mo, kaihatsu zanmai 1." This translates to "I'm all about developing eroge (adult games) and games 1."
: One of the key creative staff members at Flower. eroge h mo game mo kaihatsu zanmai 1
Key features include:
Some popular game engines for eroge development include: It seems you're referring to a specific Japanese