This "instant death" ability makes him even more overpowered than Saitama from One-Punch Man ... power can foster a reckless ...

"Lout of the Count's Family" & "I Get Stronger the More I Eat" offer unique isekai premises & power-scaling stories ... transported into the body of a man who's bound to have a horrendous ...

Kelvin is not the average isekai hero. He craves adventure and power which is why he willingly traded his memories for overpowered abilities before finding himself in a new fantasy world.