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[[Image:Yako-no-Kaidan-banner.jpg|thumb|400px|Yako no Kaidan]]

==Details==
*'''Title:''' 夜光の階段
*'''Title (romaji):''' Yako no Kaidan
*'''Format:''' Renzoku
*'''Genre:''' Drama
*'''Episodes:''' 9
*'''Vieweship rating:''' 10.6 (Kanto)
*'''Broadcast network:''' TV Asahi
*'''Broadcast period:''' 2009-Apr-23 to 2009-Jun-18
*'''Air time:''' Thursday 21:00
*'''Theme song:''' ''CRIME OF LOVE'' by [[Fujiki Naohito]]

==Synopsis==
Sayama Michio is a young and callous beautician who will stop at nothing to fulfill his ambition(s). Coming from an impoverished background, he suddenly becomes the darling of the beauty world. He holds women who desire beauty captive and puts on several different faces when dealing with Murase Minako, the female owner of the place that he works at; Hatano Masako, a woman of leisure; and Fukuchi Fujiko, an editor of a weekly magazine to come out tops. He also gets involved with two detectives who are investigating him for a prior incident. --''[http://jdramas.wordpress.com JDrama Weblog]''

==Cast==
[[Image:Yako-no-Kaidan-chart.jpg|thumb|350px|Correlation chart]]
*[[Fujiki Naohito]] as Sayama Michio
*[[Kimura Yoshino]] as Edamura Sachiko
*[[Natsukawa Yui]] as Fukuchi Fujiko
*[[Watanabe Ikkei]] as Murase Shintaro
*[[Oginome Keiko]] as Murase Minako
*[[Takachi Noboru]] as Sakurada Takeshi
*[[Tamaru Maki]] as Kuwayama Aki
*[[Hara Mikie]] as Muraoka Tomoko
*[[Emoto Tasuku]] as Hasuda Shigeo
*[[Masuda Shuichiro]] (増田修一朗) as Yanagida Toshio
*[[Shinsui Sansho]] as Master
*[[Satoi Kenta]] as Detective Yoshikawa
*[[Omiya Taro]] as the real-estate agent
*[[Haruta Junichi]] as Inspector Yamamoto
*[[Kusami Junpei]] (草見潤平) as Editor-in-chief Aoki
*[[Ebisawa Kenji]] (海老澤健次) as Hasegawa Jun
*[[Noguchi Airi]] (野口逢里) as Hayase Rie
*[[Suzuki Yuki]] (鈴木雄貴) as Nishioka Eiji
*[[Miura Rieko]] as Okano Kazuko
*[[Minamino Yoko]] as Takezaki Yumiko
*[[Akaza Miyoko]] as Fujinami Ryuko
*[[Ishii Masanori]] as Okano Shoichi
*[[Yo Kimiko]] as Maruoka Fusae
*[[Muroi Shigeru]] as Hatano Masako
*[[Kobayashi Nenji]] as Kuwayama Shinji

==Production Credits==
*'''Original writing (novel):''' ''Yako no Kaidan'' by Matsumoto Seicho (松本清張)
*'''Screenwriter:'''　[[Takeyama Yo]] (竹山洋)
*'''Chief producer:''' [[Igarashi Fumio]]
*'''Producers:''' [[Fujimoto Kazuhiko]] (藤本一彦), [[Fuse Hitoshi]] (布施等)
*'''Directors:''' [[Fujita Meiji]] (藤田明二), [[Imai Kazuhisa]], [[Takahashi Nobuyuki]]
*'''Music:''' [[Yoshikawa Kiyoyuki]]
*'''Narration:''' [[Tsukayama Masane]]

==Episode Information==
{| class="ratingtable"
! Episode !! Subtitle !! Scenario !! Ratings<br>(Kanto) !! Ratings<br>(Kansai) !! Ratings<br>(Nationwide)
|-
| 1 || Ambition || The Murderous Beautician || 12.5 || ? || ?
|-
| 2 || Confession || The Eavesdropping Woman || 10.7 || ? || ?
|-
| 3 || Instant Leap || A Woman Benefactor Worth 100 Million || 09.7 || ? || ?
|-
| 4 || Scheme || Another Man's Wife's Disappearance || 09.8 || ? || ?
|-
| 5 ||　Intent to Kill || Alleged Murderous Intent || 10.1 || ? || ?
|-
| 6 || Murder || A Snare to Murder One's Betrothed || 09.6 || ? || ?
|-
| 7 || Destruction || Final Chapter - Confession || 10.4 || ? || ?
|-
| 8 || Self-Determination || Final Chapter - Disappearance || 10.8 || ? || ?
|-
| 9 || Resolution || A Shocking Conclusion || 12.1 || ? || ?
|-
! colspan=3 | Average || 10.6 || ? || ?
|}
Source: [http://www.videor.co.jp/ Video Research, Ltd.]

==External Links==
*[http://www.tv-asahi.co.jp/yako Official site]
*[[Wikipedia:ja:夜光の階段#ドラマ|Japanese Wikipedia]]

{{SeasonRing|TV Asahi|Thursday 21:00|Winter 2009|[[Tokumei Kakarichou Tadano Hitoshi#Season 4|Tokumei Kakarichou Tadano Hitoshi 4]]|Summer 2009|[[Dandy Daddy?]]}}

[[Category:JDrama]] [[Category:JDrama2009]] [[Category:TV Asahi]]