Adult PC Game: 18Titans v1.1.4 Win/Mac/Android by Mity Archive

Overview
The Teen Titans are young superheroes fighting crime under leadership of Robin,
Unknown to the other Titans, Their team leader Robin was abducted by Slade, one of their most dangerous enemies
After restraining him, Slade take a syringe and inject something into Robins veins accompanied by a cryptic message.

18Titans v1.1.4 Win/Mac/Android by Mity Gameplay Preview