Jenny of the Morning Star

Jenny of the Morning Star summary:

The self-proclaimed Wilderness Jenny is a nature conservation officer in charge of terrestrial regeneration. One day, she picks up Flora, a girl with amnesia who was in a capsule that flew from the sky.
Together with Flora, Jenny goes on a journey to revive the earth while solving problems in cities filled with thugs and monsters.
Jenny, a conservation officer, and Flora, a mysterious girl, explore a western-style far-future world!