Step by Step for me, too. Koigokoro isn't bad, but it's lasted too long.
Superman = Captain America > Aquaman = Hal Jordan > Wonder Woman > Barry Allen > Thor > Martian Manhunter > The Hulk > Wasp > Hawkeye > [power gap] > Iron Man = Batman > [power gap] > Hank Pym
Step by Step
Aseru koto nante nai no sa
Case by Case
Warawaretatte kamawanai
Kazoekirenu hibi no mukou ni aitsu ga matte iru kara
I gotta go my own way
It greatly represents that foolish, easy-going behaviour of Conan before 129. Now it would be totally out of place (mood development), but it was a great choice back then.
And KKN starts quite fine, but the refrain is - IMO - simply a lot of noise.
One of my all-time favorite ending songs from the series, since it's really fun to listen to.
"Every man’s heart, one day, beats its final beat. His lungs breathe their final breath. And if what that man did in his life makes the blood pulse through the body of others and makes them bleed deeper and something larger than life, then his essence, his spirit, will be immortalized."