No I don't notice this. I don't listen to Japanese Pop Boy Bands.
Takeda? Don't you mean Kumai?
Let's see, Shunji Igarashi (Mebius), Hiroki Suzuki (GekiRed), Hirofumi Araki (Rio), Yuichi Nakamura (Zeronos), Masahiro Usui (Go-on Green), Koji Seto (Kiva), Kohei Kumai (Kengo in Kiva), and Masashi Mikami (BoukenBlue) are all D-BOYS.
It shouldn't be a surprise as to where Toei is looking for male leads anymore.
So all the D-BOYS are Tokusatsu heroes¿:O_O: