Let's Make It With Tentacles! Dirty Boy Daughter, Arrogant Yankee vs. Tentacle Mansion

Kotaro, a notorious local delinquent, is betrayed by his younger brother Yasutaka and captured in a mysterious tentacle mansion inhabited by monsters. The game follows his struggle to escape the mansion and avoid corruption while facing various supernatural threats. This is a 2D adult game with multiple endings and branching paths determined by player choices and circumstances.