All of 雨野千晴's Novels

Kawaranu Mono Kirameki no Gōremu
    The main character was involved in an unfortunate accident, unbeknownst to the surrounding and immobilized. Only to be able to think. While the main character kept on meditating, a voice suddenly echoed in his head. Having surprised, it told him that he’d achieve the enlightenment. The main character was able to move at last. Becoming the metal golem, he explores the vast world.