Koga Sadame

Koga Sadame (運命虎雄 – Sadame Kōga) is Jugo's big brother.

Info
Debut: Chapter 1

Gender: Male

Age: 20

Infernity
Before leaving home, Koga used to play an Inferinty Deck.

Absolute Grey
Afterwards, Koga runs an Absolute Grey Deck, focused on using "Colorless" monsters that ignore other cards, as well as using Synchro Monsters to perform Xyz Summons.