Ultra: Diligence Can Make up for Weakness, and You Can Rise Before Zero

Takagi, a young man in his prime in the 21st century. Just as he was flirting with his pet, he was sent into the Kingdom of Light by the cat's paw. The system was awakened when fused with Zeta's brother Zeth. Diligence can make up for clumsiness, As long as you keep practicing, you can master this skill and even grow to the highest level. … Currently traveling through the timeline of the Kingdom of Light, 2000 years before the legend of the new century Follow-up of the Belial Empire - Geed Timeline - Top of the New Generation - Huge Conspiracy, etc.