Hephaeston
Hephaeston, using the power of an orphic hammer, became a male protagonist and made the female lead fall in love with him at first sight, but she unexpectedly fell in love with someone else too.
He is gullible, vindictive, and taunting.
He grew up in a bustling Greek village, enjoys blacksmithing and combat training, is the youngest sibling of three brothers, and survived a near-fatal accident in his youth.