4 : | Pride Of Young Lions

To make this guide more accurate for you, could you clarify:

Introduction (or climax) of the battle against a mirrored "Pride"—a group with similar talent but different morals. 4 : Pride of Young Lions

This volume marks the shift from "brawling" to "martial arts." To make this guide more accurate for you,

The "Four" in your request often symbolizes the core members of the group: 4 : Pride of Young Lions

Sets the stage for the final tournament or "king of the hill" showdown.