Before he died in battle in his previous life, he discovered that he was still attached to this world, and he didn't want to leave. He didn't want to leave. After reincarnation, he worked hard and fought for him. But he only found that the butterfly could not fly to the sea after all, when he decided not to chase the shadow in the sky. He suddenly realized that seagulls and floating clouds were always beside the butterfly that wanted to fly across the sea.