in Genius Studio games without paying or using official in-game rewards (ads, daily bonuses, event tickets, etc.). The games are premium-choice driven, and the developers rely on microtransactions or season passes for revenue.
Genius Studio Japan games heavily utilize ad integration to support free players. You can watch short video ads (usually 15 to 30 seconds) in exchange for free Rubies.
You do not need to break the bank to enjoy the best paths in these anime games. The developers provide several built-in methods to collect free Rubies. 1. Daily Login Bonuses