Vampire! Levi and Werewolf! Eren (this is part 2) read part 1 in https://myreadingmanga.info/yatagarasu-what-we-call-this-feeling-shingeki-no-kyojin-dj-eng/ then comeback here for part 3
Shingeki no Kyojin - I Put A Name To This Feeling (Doujinshi)