Tensei Shoujo wa Mazu Ippo kara Hajimetai ~Mamono ga Iru Toka Kiitenai!~

Ichinokura Sarasa has been suffering from a constitution that makes her tired easily. She is reborn in another world, Trilgaea, by a goddess, where she is rejuvenated to the body of a 10-year-old and overcomes her frail constitution! However, she is transported to a mountain full of demons, where she cannot carelessly walk outside!?