Classmates wa Isekai Ten'i nanoni Watashi wa Isekai Tensei

While the entire class is transported to another world, only Akari dies and is reborn as a beautiful girl in that other world. Even when facing trouble along the way, she lives her second life positively, brightly, and sometimes boldly. She takes down shitty nobles, corners criminal organizations, and lives ultra positive days... You can tell she was a well liked personality among her classmates!!!

Source: Comic-Walker