
Quick answer — Kentarou Yabuki worked on To Love Ru Darkness 2 Specials (Original Character Design), To LOVE-Ru Darkness 2nd OVA (Original Character Design), To LOVE-Ru Darkness OVA (Original Character Design) and 8 more anime.
Kentarou Yabuki worked on To Love Ru Darkness 2 Specials (Original Character Design), To LOVE-Ru Darkness 2nd OVA (Original Character Design), To LOVE-Ru Darkness OVA (Original Character Design), Black Cat (Original Creator), To Love Ru Darkness (Original Character Design), To Love Ru Darkness 2 (Original Character Design), Motto To Love Ru (Original Character Design), To LOVE-Ru OVA (Original Character Design) and 3 more.