 The third Blu @-@ ray volume was released on September 18 with Seko 's Lost in the Cruel World visual novel about Mikasa , and a preview of Gun Snark 's No Regrets ( <unk> , <unk> <unk> , lit . " A Choice with No Regrets " ) . The sixth Blu @-@ ray volume was released on December 18 with the full version of No Regrets about Levi and Erwin 's past , Jin <unk> 's visual novel In the Forest of the Night , Burning Bright about Eren and Levi , and Seko 's Wall Sina , Goodbye visual novel about Annie . 
