- A long version of The Least 100sec, titled The Least 333sec, can be found on the GUITARFREAKS 5thMIX & drummania 4thMIX Soundtracks album.
- A small clip of the piano from The Least 100sec can be heard on 大暴走, a song by 悪夢の犬猿コンビ (佐々木博史&Jimmy Weckl) from the GUITARFREAKS & drummania Musician's Room 2002-SELECTION album.
- The Least 100sec is Hirofumi Sasaki's first original composition for BEMANI. He had earlier provided arrangement/instruments for licensed covers in GUITARFREAKS 4thMIX & drummania 3rdMIX.
- The Least 100sec is also the only song to make an appearance in at least one game of the beatmania/III, beatmania IIDX, DanceDanceRevolution, GuitarFreaks & DrumMania, KEYBOARDMANIA, pop'n music, REFLEC BEAT, and ノスタルジア series.
- In the beatmania, beatmania III, beatmania IIDX, KEYBOARDMANIA, and pop'n music series, The Least 100sec's artist is shown as Sasaki Hirofumi.
In beatmania, beatmania IIDX 14 GOLD CS, beatmania III, and pop'n music, The Least 100sec's title is displayed as The Least 100 sec.
- The Least 100sec was added to pop'n music 9 on April 24th, 2003 via ee'MALL.
- Before pop'n music 14 FEVER!, The Least 100 sec's character was Edward [CS2-2P], and the songwheel genre was The Least 100 sec.
- The Least 100 sec received a brand-new EX chart in pop'n music 18 せんごく列伝. All the keysounds for all the difficulties were replaced with the beatmania IIDX keysounds as well.
- The Least 100 sec received an EASY chart in pop'n music Sunny Park, replacing its old 5-Buttons chart.
- It is the only song from ee'MALL to gain an EASY chart.
- The Least 100sec is one of the songs featured on the BEMANI SONGS ～Best of GITADORA～ video.
Song Production Information
Difficulty & Notecounts
pop'n music difficulty rated from 1 to 43 through pop'n music 20 fantasia, and 1 to 50 from Sunny Park onwards.
|pop'n music 9→13 カーニバル (via ee'MALL)||12||17||35||-||15||16||-||-||-|
|pop'n music 14 FEVER!→17 THE MOVIE||12||17||35||-||15||16||-||-||-|
|pop'n music 18 せんごく列伝→20 fantasia||12||17||↓34||42||15||16||-||-||-|
|pop'n music Sunny Park→Present||※14||23||40||48||15||16||-||-||-|
|pop'n music 14 FEVER! CS||12||17||35||-||15||16||-||-||-|
|pop'n music portable 2 DLC||※7||17||34||42||-||-||12||17||34|
※ Denotes chart has been revised from the corresponding AC chart:
- pop'n music Sunny Park EASY chart: the notecount of this chart is different from the old 5-Buttons chart (total notes: 251).
- pop'n music portable 2 5-Buttons NORMAL chart: total notes: 198.