[GBF] Unite & Fight (Dark) Nightmare 90 - Kengo OTK [1B1S]

Disclaimer : I am not a HL player, those grids/build are not optimals. I am around rank 200 at the time this video release. I am also a F2P player and a casual, so I pretty much do with what I have.
U&F Dark - NM90 - Kengo OTK
MC : Kengo
Characters : Yukata Ilsa, Bowman, Wulf and Renie
Summons : Beelzebub(flb) x Celeste Omega lvl 210