Time Travel: I'm Really Not a Big Shot in Women's Clothing

The protagonist accidentally died due to lack of physical strength while rescuing a drowning student in the previous life. Unexpectedly, he accidentally traveled to a fantasy world and became a high school student. When he awakened his talent, he accidentally awakened his system and awakened his strongest talent. He discovered that his system could actually materialize, and he turned out to be a girl with white hair and cat ears. Then he started his own era and legend. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.