Okay, I want to tell you guys what was my favourite genre before I was into Kpop. It's JPOP! I loved JPOP so much since I watched:

Fate/ Stay Night (Archer~ Lancer~ Gilgamesh~ <3)

Air Gear

Hell Girl (Enma Ai~ <3)

Yakitate! Japan (Shigeru~ Kazuma~ <3)

The Law of Ueki (Robert~ <3)

Kurosuji (Ciel~ <3)

Hellsing: OVA (Alucard~ <3)

Yu Yu Hakusho (Kurama~ Hiei~ <3)

Gunslinger  Girl

The Melacholy of Haruhi Suzumiya (Yuki~ Itsuki~ <3)

God (?) Save Our King (Wolfram~ <3)

Nodame Contabile 

Curious Play (LOL. =_=" RATED )

WEE! There are a lot actually but here are the ones that I remember. Hahahahahaha~ F/S N <3