Both stories look very nice, theres so much room for more for both of them. The art is indeed very beautiful, but there are other djs that are very very similar To Isayamas sensei, which made it a little more true and more along the dramatic concept that is Shingeki no Kyojin. Anyhow for BL and yaoi this is an excellent depiction.
Shingeki no Kyojin dj - Otona Eren to Heichou