https://osu.ppy.sh/beatmapsets/114551 I quite like Inada Tetsu. I first discovered him when he sang one of my favorite songs from Tsubasa Chronicle: Zankou (斬光). By the way, you can't find it directly on YouTube or NicoNicoDouga. It's copyrighted.
"I don't accept that improvement has stopped coming towards me. Even if it will stop coming towards me, it's because improvement never even came to me anymore, while I always practiced at my best. That's not a stagnation that is supposed to happen, only fools would think that way."