Do I scare you..or do They (Eren x Reader x ...) *LEMON*

2 days following the courts trial with the Scouts vs the Military Police against Eren's Titan abilities, Erwin and Levi's squad has taken Eren to the Scouts old building outside of the walls. Eren is to stay there with Levi's team for a couple days to conduct professor Hanji's elaborately planned tests before heading to the forest. Your arriving as a backup squad (also know as the second best squad in the Scouts "Erwin's squad") for Team Levi the following evening along with Commander Erwin. Your memories of playing with Eren as a child are feint from not seeing Eren in 5 years. How will Eren react to not seeing you in so long? How will Eren react?