Shun rose to prominence after his breakthrough role as 'Hanazawa Rui' in the popular drama Hana Yori Dango in 2005 and his first lead role as 'Shinichi Kudo' in the first Detective Conan live movie Detective Conan: Shinichi Kudo's Written Challenge in 2006.
In 2007, he starred in the drama Hanazakari no Kimitachi e as 'Izumi Sano', cooperating with Toma Ikuta and Maki Horikita.
The press conference for the upcoming highly anticipated live-action Japanese movien adaptation of super popular shonen fantasy swordsman manga Gintama (Silver Soul) took place this week in Tokyo, looking like the best looking group of friends heading out for a summer matsuri festival.He then made his debut in television at the age of 13, in the 1995 NHK drama "Hachidai Shogun Yoshimune." Since then Shun has appeared in many television dramas, usually in supporting roles. But I bumped into Hana Yori Dango, and I went like "I saw this face" (Pertaining to Hanazawa Rui) And yep, he was the guy from RMPW. He always tries to potray himself differently with different roles instead of being an actor with just looks and no talent. As much I love Oguri Shun in both Hana Kimi and RMPW, I was really disappointed after reading those cheating scandals.In 1998, Shun performance in Fuji TV drama "GTO: Great Teacher Onizuka " brought him idol status. I know we are not to look into the personal lives of actors.His first debut role was as the bullied and abused child from the drama Great Teacher Onizuka in 1998, when he was about sixteen years old.His acting attracted him great attention and from there, he moved onto bigger roles.Meanwhile, Serizawa is visiting his best friend Tatsukawa Korea (Kenta Kiritani), who has just been discharged from a hospital.