The Smiling Hero (My Hero Acidamiea x Male Sans Reader)
Basically it's Sans from Undertale in MHA. I do not own Undertale, My Hero Acidamiea, or any of the photos and videos I use in this story. Undertale is owned by Toby Fox. My Hero Acidamiea is owned by Shueisha and Viz Media. Photos and videos are owned by their respective owners.
Mature