Manabu Yukawa is a fictional character from Keigo Higashino

Keigo Higashino

is a Japanese author chiefly known for his mystery novels.-Biography:Born in Osaka, he started writing novels while still working as an engineer at Nippon Denso Co.　. He won the Edogawa Rampo Award, which is awarded annually to the finest mystery work, in 1985 for the novel Hōkago at age 27...

 Galileo series. He features in the books Tantei Garireo, Yochimu, Yogisha X no Kenshin, 聖女の救済 and 伽利略の苦恼 currently. He also appears in the Japanese television drama

Japanese television drama

, also called , are a staple of Japanese television and are broadcast daily. All major TV networks in Japan produce a variety of drama series including murder romance, comedy, detective stories, horror, and many others...

, Garireo as well as the movie, Yogisha X no Kenshin

Suspect X

is a 2008 Japanese mystery-thriller film based on the novel of the same name, directed by Hiroshi Nishitani. The film was a continuation of the popular Japanese serial drama Galileo and included the same cast...

. Both are portrayed by Masaharu Fukuyama

Masaharu Fukuyama

is a Japanese singer-songwriter, guitarist, record producer, actor, radio personality, and photographer from Nagasaki, Nagasaki Prefecture. He is the best-selling male solo artist in Japan. He is a member of entertainment company Amuse, Inc. and is known for his low, deep voice. Among fans, he is...

and are very popular in Japan.
Yukawa is a genius but eccentric physicist. He is often approached by his old school mate, who is currently a detective, to solve the seemingly supernatural and impossible cases.

Yochimu

Kunasagi, who is a close buddy of Yukawa now, continues to seek Yukawa's assistance in suspicious cases. This is a collection of five short stories.

Yogisha X no Kenshin

Yukawa meets the Ishigami, the genius mathematician and an alumnus from the same school as Yukawa and Kusanagi, who seems to be involved in the murder case that Kusanagi is investigating. Yukawa ditches Kusanagi and investigates the case on his own this time, due to his high admiration and respect for his friend, Ishigami.