Armored Warrior: Thunder Yatales

It is about the male protagonist who sacrificed his life to save his girlfriend and traveled to the world of armored warriors. He also traveled to the armored world and brought 4 pairs of armors, namely Emperor Armor - Shura Armor - Thunder Yatales - Flame Nava to the armored world in the first part. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.