Anime character with a green cape and a skull on his chest

Attack on Titan、Research Corps、green cloak、Three-dimensional mobile device、「I have long ago sworn to offer my heart to the cause of the revival of humanity.！！　If I follow that belief and die at the end, then I'll be happy！！」FACING。、「If there's anyone who can change something　That person is　I'm sure he's someone who can throw away the things that are important to him.