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Su Wan is a calm martial arts coach, but secretly an assassin who is looked up to by others. When she wanted to quit, she was betrayed by the scumbag. As a result, she tried the medicine she developed herself, and woke up again in the primitive society. It's dangerous here, but she's a martial arts instructor and an assassin, so she's not afraid. There are abundant resources here, and she knows them all and can survive. The women here are as strong as cattle, and hunting depends entirely on them. She is... A little confused. The men here were all petite and weak. She stared wide-eyed at the men's little birds clinging to the women's sides. She... Wanted to go home.