Super Return System: Wanren Begged Me to Be a Teacher

My name is Luo Xiaofei. I traveled to the ninja world and awakened the super return system. Whatever you teach ninjas, the system will give you back double the amount. Here, I became the treasure that the entire ninja world was fighting for: Teacher Luo Xiaofei. Hinata is as tender as water, but her family is in chaos. Sakura is devoted to love, but she is hurt by love. Xiaonan, cool and calm, but ill-fated. After meeting the powerful and mature teacher Luo Xiaofei, their fates all changed. You taught Hinata the S-level superior ninjutsu Shinra Tensei, a hundred times the critical hit super return, and you obtained the SS-level intermediate ninjutsu Uchiha Great Rebound. You helped Sakura improve her figure by 30 points. With a 30-fold super refund, you gained 900 figure points. You taught Kurenai Yuhi the S-level intermediate ninjutsu Tsukuyomi, a hundred times the critical hit super return, and you obtained the SS-level intermediate ninjutsu Beitenjin. All the ninjas: Teacher Luo, please accept me as a disciple. Luo Xiaofei: Damn it, if you want to be a disciple, just be a disciple. Why don't you kneel down? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.