Tensei Daiseijo no Isekai Nonbiri Kikou

Hirune Hanamaki, an employee of an exploitative company, receives a divine blessing from a goddess and is reborn in another world. Now, she lives as a golden-haired girl named Hirune. Refusing to work tirelessly as she did in her past life, she decides to become a great saint and live a relaxed lifestyle. Thus begins the legend of the sleepy great saint, known for her casual and slow-paced life!

(Source: K Manga)