Shumi wo Kiwamete Jiyuu ni Ikiro! - Tadashi, Kamigami wa Itoshigo ni Isekai Kaikaku wo Onozomi desu

Phills, the son of a duke's second wife, possesses memories of his previous life in Japan. Phills, whose hobby since his past life has been "monozukuri" (craftsmanship/making things), doesn't mind being poorly treated by the ducal family and spends his days enriching his hobby while earning a living as a skilled adventurer. Then one day, he is summoned by the gods and given an outrageous request: to "spread the knowledge of Earth"—!?