Hiroyuki Nishimori
A popular Japanese manga artist born in Tokyo. His series Cheeky Angel (Tenshi na Konamaiki) won the Shogakukan Manga Award for shounen in 2001.
Mangaography

From Today On, It's My Turn!!
Hiroyuki Nishimori

Ocha Nigosu
Hiroyuki Nishimori

Cheeky Angel
Hiroyuki Nishimori

Doushirou de Gozaru
Hiroyuki Nishimori

Hiiragi-sama wa Jibun wo Sagashiteiru.
Hiroyuki Nishimori

From Today, It's My Turn!!: Sagawa the Hero & Those Two
Hiroyuki Nishimori

Koutetsu no Hanappashira
Hiroyuki Nishimori

Nani mo Nai Kedo Sora wa Aoi
Hiroyuki Nishimori, Yuuki Iinuma