The manga has started to feel very rushed within the past 10 chapters or so. I'm guessing the author thought he had ~100 chapters to complete it but was given an earlier deadline.
Poor boy. Being born as an alien-human halfbreed, punished for exploring by being drugged, your creator overriding your brainwaves to mentally control you, seeing the type of mutated deformed creature that birthed you in all its horror, panicking and shooting an experimental weapon out of your...
This Kunato faggot deliberately causes a disaster that kills people because he's a little bitch, and now he's crying and Tanikaze is asking to fight alongside him? Tanikaze should have marched up to him, after the battle where Kunato betrayed him, and cut the traitor's fucking throat. Stupid...