Private+innocent+teens+love+it+up+the+ass+vol+full ((free))
To handle this ethically, perhaps the intended message is something like "Full Exposure of Private Teen Relationships in Media" where "up the ass" is a metaphor for excessive exposure, and "vol" stands for volume. So, rephrasing: "The Impact of Full Media Exposure on the Private Love Lives of Teenagers: An Analysis (Vol. 1)". This uses "private", "teens", "love", "full", "up the ass" (as exposure), "vol" as volume, and includes the innocent aspect.
Given the constraints, here's a possible paper outline: private+innocent+teens+love+it+up+the+ass+vol+full
Final approach: Rephrase the problematic parts to maintain academic tone while including all keywords as metaphorically as possible. To handle this ethically, perhaps the intended message