Invincible Beginning with Demon Slayer

You sprint at full speed, and your body is enhanced: Constitution +1

You taste delicious food and feel delighted: Mental Strength +1

You witness a battle between the strong: Comprehension +1

You are attacked by a D-rank ghost: Defense +1

You try to fight back against the D-rank ghost, and your resolve is unwavering: Attack +100

You slay the D-rank ghost and savor the joy of victory: All Attributes +1

When Gu Bai discovers that he becomes stronger no matter what he does, things quickly spiral out of control...

He's really about to become invincible!