Yataro Sarumaru, nicknamed "Saru" is an average high school boy who daydreams about idols but otherwise has no luck with girls. While working with his father, a locksmith in Asakusa, Tokyo, he has gained exceptional skills to pick just about any lock. Using his exceptional skills, Yataro then finds himself solving various mysterious cases, while also trying his luck with the girls.
Hayato Ichihara
Yataro Sarumaru
Sei Ashina
Ritsuko Mizuhara
Gota Watabe
Yamamoto
Sousuke Takaoka
Jiro Yamada
Yoshiyuki Morishita
Yuri Nakamura
绘里（Eri）
Makoto Awane
Tomoka Kurokawa
Kaoru Hirata
Shin Chan77%
Special A63%
Rent-a-Girlfriend83%
Hayate the Combat Butler65%
You and I Are Polar Opposites84%
KILL BLUE81%
Haven't You Heard? I'm Sakamoto75%
Colin from Accounts74%
Arakawa Under the Bridge65%
Hana-Kimi75%
Seduced by My Best Friend64%
Maison Ikkoku76%
Ninja Boy Rantaro67%
Tomo-chan Is a Girl!79%
Nisekoi82%
Teasing Master Takagi-san81%
Ikkyū-san74%
Alexa & Katie81%
Tamon's B-Side79%
Who's the Boss?73%
