Shūichirō Kiriyama works at the Limitation Task Force, the place where the cases which have reached the statute of limitations are destroyed. Getting bored of his job, he decides to find a hobby, because it seems important to him to have a hobby. So he decides to puzzle out the unsolved cases on his free time, helped by his coworker Mikazuki, who seems to have a crush on him.
Time Limit Investigator (Season 1)

It's not an exaggeration to say that the steam of good food befits an old case. (Episode 1) 7.0
Writer: Satoshi Miki
Air date: 2006-01-13
Runtime: 46 min

It's not an exaggeration to say that the extreme of coincidence is imminence! (Episode 2) 8.0
Writer: Satoshi Miki
Air date: 2006-01-20
Runtime: 46 min

Even if ignored by 1,000,000 people, if only one person notices, that would be happiness... Don't you think? (Episode 3) 8.0
Writer: Ryo Iwamatsu
Air date: 2006-01-27
Runtime: 46 min

The criminal's 5-7-5 will come from the top of the cliff. (Episode 4) 7.0
Writer: Sion Sono
Air date: 2006-02-03
Runtime: 46 min

Kill with a kiss! The killer kiss may have been sweet? (Episode 5) 8.0
Writer: Renpei Tsukamoto
Air date: 2006-02-10
Runtime: 46 min

Whether the case goes unsolved until February 14th is up to you! (Episode 6) 8.0
Writer: Sion Sono
Air date: 2006-02-17
Runtime: 46 min
Let's all think of why housewives go on barefoot! (Episode 7) 8.0
Writer: Ryo Iwamatsu
Air date: 2006-02-24
Runtime: 46 min

Is the acceptance to college an invitation of death? (Episode 8) 8.0
Writer: Akane Yamada
Air date: 2006-03-03
Runtime: 46 min

It's no exaggeration to say that a goodbye message isn't necessarily a parting greeting. (Episode 9) 8.0
Writer: Satoshi Miki
Air date: 2006-03-10
Runtime: 46 min

Seasons

Episodes 9

Episodes 9

Episodes 8

Episodes 5