Within a deep huge forest, there was a handsome black-haired young man. Ryūsei sprinted through the forest without stopping nor looking to the back. It was like he was chased by a wild predator, but in reality, it was the other way around. "It's been a long time since I can walk around in the forest freely and breath some fresh air. I have to use my time wisely before Rei and Asuka finish their mission and bring me back to the boring cave." His plan —forty minutes for a brief morning walk— went smoothly without any obstacle until a slightly pain flashed through his head. "Can you hear it?"