Seifuku ga Jama o Suru

"Seifuku ga Jama o Suru" (制服が邪魔をする, (School) uniform is getting in the way) is Japanese idol group AKB48's fourth single, and the second major single released through DefSTAR Records, on January 31, 2007.^[1] The title track was sung with 14 members,^[2] 6 members fewer than their last single "Aitakatta".

"Seifuku ga Jama o Suru"
Single by AKB48
from the album Set List: Greatest Songs 2006–2007
B-side	"Virgin Love"
Released	January 31, 2007 (2007-01-31)
Genre	J-pop
Length	4:45:00
Label	Defstar
Songwriter(s)	Yasushi Akimoto, Yoshimasa Inoue
Producer(s)	Yasushi Akimoto
AKB48 singles chronology
"Aitakatta" (2006) "Seifuku ga Jama o Suru" (2007) "Keibetsu Shiteita Aijō" (2007)

Music video

"Seifuku ga Jama o Suru" drew public attention with its controversial music video, which is a literal visualization of the lyrics, somewhat hinting at the subject of enjo kosai.^[2] Even the sales copy on TV commercial was "Otousan, gomennasai" (お父さん、ごめんなさい, Sorry, dad), a comment made by Maeda, who played a key role on its video clip. As its lyrics indicates, the video clip was filmed in Shibuya.^[2]

Each "Shokai Genteiban" (初回限定版, The first edition) CD also includes 2 DVDs, one is video clip and the other is "Making of "Seifuku ga Jama o Suru", as well as following premiums.^[3]

• Original Trading Cards (one of 3 different designs)
• A flyer for premium application
• CD sleeve in different design

There was a surprise live performance at two locations in Shibuya on the release date January 31, 2007.^[4]

Reception

Since many "Aitakatta" limited editions remained unsold, the Seifuku ga Jama wo Suru limited sets were produced in a smaller quantity, making it one of the rarer to find releases.^[2] The single charted 5 weeks in the top 200 with the highest rank at #7, the highest ever record for AKB48.^[5] But "Seifuku ga Jama o Suru" wasn’t quite as well received^[2] as it only sold 21,989 copies.

Track listing

No.	Title	Writer(s)	Length
1.	"Seifuku ga Jama o Suru" (制服が邪魔をする)	Yasushi Akimoto, Yoshimasa Inoue	4:45
2.	"Virgin Love"	Akimoto, Inoue	4:11
3.	"Seifuku ga Jama o Suru (Instrumental)"	Akimoto, Inoue	4:45
4.	"Virgin Love (Instrumental)"	Akimoto, Inoue	4:11
Total length:			17:57

Charts

Chart (2007)	Peak position	Sales[2]
Japan (Oricon Weekly Singles Chart)[5]	7	22,000

Personnel

The performers of the title track are as follows:^[6]

Center: Minami Takahashi, Atsuko Maeda

• Team A - Tomomi Itano, Haruna Kojima, Atsuko Maeda, Minami Minegishi, Rina Nakanishi, Mai Oshima, Mariko Shinoda, Minami Takahashi,
• Team K - Sayaka Akimoto, Tomomi Kasai, Yuka Masuda, Sae Miyazawa, Erena Ono, Yuko Oshima