Toaru Majutsu no Index SS - Volume 1, Chapter 1: Pot with Meat and the Appetite for Great Tactics. A_Required_Thing.

Protagonist travels between different anime worlds to right wrongs and uncover his reason for being along the way.

- Description from Novelupdates

I was born in Japan and inherited a temple at the beginning.The system is activated at the beginning, which can enhance everything.“Ordinary Buddhist Scripture” enhanced to “Medicine Buddha Sutra”Recite the sutra ten thousand times, and you will become a Vajra!“Vajra Pestle” strengthens “Vajra Indestructible Root”The most rigid and masculine, indestructible!“Eight Divisions of Heavenly Dragons” enhanced to “Great Heavenly Dragon Visualization Method”Great Heavenly Dragon, Prajna Buddha!The widow haunted by evil spirits, the eight-foot-tall adult…“I don’t know if I can bear it.”“Demon, I want you to help me practice!”

The Five Impurities descend into the Mortal World, and demons run rampant.Holding a volume of the “Monster Chronicles,” Song Lin traverses time and descends into the body of a Daoist disciple at a remote Daoist Temple on the frontier.He observes that in this world, the old energy of the Six Heavens still lingers, and Witches and ghostly paths dominate.Demons and ghosts hold official titles, order is lost, and humans and ghosts are thrown into chaos.Heretical paths act with impunity, abandoning truth for falsehood, allowing the proliferation of evil forces.Amidst the suffering of the Mortal World and the devastation of life, Song Lin discovers that he can enter the mythological and supernatural tales recorded in the “Monster Chronicles” to obtain Daoist Skills.Shan Hai’s strange legends, myths, and supernatural tales; Pre-Qin Qi Cultivation, Taiyi in the Chu Territory, Penglai’s Independent Immortals, Lingnan’s Witchcraft, Kunlun Immortal Mountains…Slay the Evil Demons of the heavens, master thousands of Daoist Skills.The endless path of the Immortal Dao, I shall relentlessly pursue it.

She and the blind date met man get married soon. She did not expect that the "ordinary" new husband turned out to be the CEO of the company she worked for.