In order to gain more actual fighting experience, Naoto enters the New Japan Pro-wrestling Series for the first time, as Tiger Mask. There he meets local wrestler Belly-laugh Mask.
datte ikiru mo shinu mo hyouri ittai
seme mo mamori mo hyouri ittai
Vida y muerte, ataque y defensa,
dos caras de la misma moneda.
Vida e morte, ataque e defesa. 
São dois lados da mesma moeda