Shakuen no Eris: Watashi, Yuusha Yamete Mesubuta ni Narimasu!

I’m a hero and my name is Eris Violet of the Flames! Swinging a sword surrounded by flames with her petite body, she is the strongest hero of the land. Messing up one day, she is captured by monsters and brought back to their research facility where they smear their cum all over her to break her… It