|Series:||AKB48 Murder Mystery|
|First Appearance:||File 1|
|Last Appearance:||File 5|
|Number of Episode|
|4 (File 1-2,5 and Testimony File)|
- "Eh? Takamina said I was suspicious? Is it because I’m tall? To say that Mariko is tall enough to use a blunt weapon from above… Besides, I had no problems with Renacchi. She is cute and a good girl. Isn’t there some other girl who has a motive? Like for example, people who lost to Renacchi in the janken tournament… Ah, but at that time Renacchi was a research student so maybe she wasn’t in it… But really, it’s not me."
- ―Shinoda Mariko's Testimonial[src]
Shinoda Mariko (篠田麻里子?), nicknamed Mariko-sama (まりこ様?), Mari (まり?), Marikosan (麻里子さん?) and Marilyn (まりりん Maririn?), is a member of AKB48's Team A. She is one of the primary characters in AKB48 Murder Mystery series. She is based on and is portrayed by Shinoda Mariko.