This series is discontinued. Currently in the process of rewriting the series from the beginning . Will post in the future after finishing around 20 chapters.
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A certain college student fell to a lake. He can easily save himself, but chose to sink in order to stay together with his backpack. Unbeknown to him, a goddess watched the scene and took interest in him. When the goddess offer him to reincarnate in another world, He ask her to modify his backpack so he can use it there. After becoming an adult, he decided to be an adventurer. but shortly after, he realized that it's not his forte, and so, he became a merchant.