Ren Yamashiro but defeated

Ren Yamashiro from Anime/Manga "Mato Seihei no Slave" Yamashiro Ren is a very strong and almost invincible character but in the end she also experienced her first defeat in life and the most humiliating defeat. Ren is on her way to clean up the Shuukis near the Anti-Demon corps headquarters. She plans to hunt down and kill the mutant Shuukis but only meets regular Shuukis. She despises the regular Shuukis because they are very weak even if they have a muscular body, when she was about to kill the Shuuki that she thought were "ants" to her, suddenly her strength included her ability called "Vairocana" got nullified making her very weak, then well... you know a weak girl surrounded by muscle Shuukis...