| Koi Ochi Flag | |
|---|---|
| Released: | February 3, 2021 |
| Genre: | J-Pop |
| Format: | CD Single, CD+DVD |
| Label | avex trax |
| Producer | Akimoto Yasushi |
| Promotional Image | |
 SKE48 27th Single | |
| SKE48 Singles Chronology | |
| Previous: So~Yu~Toko Aru Yo Ne? 26th Single (2020) |
Next: Ano Koro no Kimi wo Mitsuketa 28th Single (2021) |
Koi Ochi Flag (恋落ちフラグ; Flag Drop in Love) is the 27th single released by SKE48.
Single Tracklist Details
CD Tracklist
- Koi Ochi Flag (恋落ちフラグ) / Senbatsu
-
- (Type-A) Memories 〜Itsunohika Aeru Made〜 (Memories 〜いつの日か会えるまで〜) / Matsui Jurina graduation song
- (Type-B) Change Your World / Black Pearl
- (Type-C) Anokoro no Locker (あの頃のロッカー) / Passion For You Senbatsu
- Koi Ochi Flag (off-vocal)
-
- (Type-A) Memories 〜Itsunohika Aeru Made〜 (off-vocal)
- (Type-B) Change Your World (off-vocal)
- (Type-C) Anokoro no Locker (off-vocal)
DVD Tracklist
- Koi Ochi Flag Music Video
-
- (Type-A) Memories 〜Itsunohika Aeru Made〜 Music Video
- (Type-B) Change Your World Music Video
- (Type-C) Anokoro no Locker Music Video
-
- (Type-A) Matsui Jurina 12 Years Trajectory 2008-2020 (松井珠理奈 12年の軌跡 2008年-2020年)
- (Type-B) Black Pearl「Change Your World」 Music Video Documentary & SKE48 Theater Debut 12th Anniversary Special LIVE (SKE48 劇場デビュー12周年特別LIVE)
- (Type-C) SKE48 27th Single「Koi Ochi Flag」 Music Video Documentary
Theater Edition
- Koi Ochi Flag
- Oto no Wareta Chime (音の割れたチャイム) / Coming Flavor
- Koi Ochi Flag (off-vocal)
- Oto no Wareta Chime (off-vocal)
Included Members
"Koi Ochi Flag"
★ Senbatsu (選抜) (68 Members) (Matsui Jurina Center (in italic), Media Senbatsu in bold)
- Team S: Aoumi Hinano, Akahori Kimie, Arano Himeka, Ishiguro Yuzuki, Inoue Ruka, Otani Yuki, Kamimura Ayuka, Kitagawa Yoshino, Sakamoto Marin, Sugiyama Aika, Takeuchi Nanami, Tsuzuki Rika, Nakamura Izumi, Nojima Kano, Nomura Miyo, Hirano Momona, Matsui Jurina, Matsumoto Chikako, Yamauchi Suzuran
- Team KII: Aoki Rika, Arai Yuki, Iriuchijima Sayaka, Ego Yuna, Ota Ayaka, Oba Mina, Okamoto Ayaka, Kawashima Miharu, Kitano Ruka, Suzuki Ena, Souda Sarina, Takeuchi Saki, Nakano Airi, Hidaka Yuzuki, Fujimoto Fuyuka, Furuhata Nao, Mizuno Airi
- Team E: Aikawa Honoka, Asai Yuka, Ikeda Kaede, Ishikawa Kanon, Ida Reona, Kamata Natsuki, Kumazaki Haruka, Kurashima Ami, Saito Makiko, Sato Kaho, Suenaga Oka, Sugawara Maya, Suzuki Kokona, Suda Akari, Takahata Yuki, Tanabe Mizuki, Tani Marika, Nishi Marina, Hirata Shiina, Fukai Negai, Fukushi Nao
- Kenkyuusei: Aoki Rika, Igarashi Hayaka, Ishizuka Mizuki, Ito Miki, Kato Yui, Kito Mikuru, Sawada Kanon, Sugiyama Anan, Nishii Mio, Hayashi Mirei
"Memories 〜Itsunohika Aeru Made〜"
Matsui Jurina graduation song (松井珠理奈卒業楽曲) (1 Member)
"Change Your World"
Black Pearl (9 Members) (Ego Yuna & Kumazaki Haruka Centers)
- Team S: Aoumi Hinano, Hirano Momona, Inoue Ruka, Matsui Jurina, Nomura Miyo
- Team KII: Ego Yuna, Mizuno Airi
- Team E: Kumazaki Haruka
- Kenkyuusei: Hayashi Mirei
"Anokoro no Locker"
Passion For You Senbatsu (Passion For You 選抜) (16 Members) (Arai Yuki Center)
- Team S: Kitagawa Yoshino, Nojima Kano, Sakamoto Marin,
- Team KII: Aoki Shiori, Arai Yuki, Ego Yuna, Hidaka Yuzuki, Kitano Ruka, Ota Ayaka, Shirai Kotono, Takeuchi Saki
- Team E: Ida Reona, Kamata Natsuki, Kumazaki Haruka, Sato Kaho, Sugawara Maya
"Oto no Wareta Chime"
Coming Flavor (カミングフレーバー) (9 Members) (Nomura Miyo Center)
- Team S: Aoumi Hinano, Akahori Kimie, Nomura Miyo, Otani Yuki
- Team KII: Nakano Airi, Suzuki Ena
- Team E: Hirata Shiina, Nishi Marina, Tanabe Mizuki
Trivia
- This single was first announced on SKE48 12th Anniversary on October 5, 2020.
- Final A-side center position of Matsui Jurina and Final Senbatsu as SKE48 member.
- Final Senbatsu and single participation of Matsui Jurina, Nojima Kano, Souda Sarina, and Takeuchi Saki
- Hirata Shiina, Ishikawa Kanon, and Nishi Marina's only Senbatsu and final single participation
- Largest Senbatsu in 48 Group history
- First Senbatsu position of:
- Team S: Akahori Kimie, Aoumi Hinano, Arano Himeka, Hirano Momona, Ishiguro Yuzuki, Kamimura Ayuka, Nakamura Izumi, Nakasaka Miyu, Nomura Miyo, Otani Yuki, Sakamoto Marin, Sugiyama Aika, Takeuchi Nanami, Tsuzuki Rika
- Team KII: Aoki Shiori, Fujimoto Fuyuka, Iriuchijima Sayaka, Kawashima Miharu, Mizuno Airi, Nakano Airi, Okamoto Ayaka, Ota Ayaka, Suzuki Ena
- Team E: Aikawa Honoka, Fukai Negai, Fukushi Nao, Hirata Shiina, Ikeda Kaede, Ishikawa Kanon, Ida Reona, Kurashima Ami, Nishi Marina, Suzuki Kokona, Tanabe Mizuki
- SKE48 Kenkyuusei: Aoki Rika, Hayashi Mirei, Igarashi Hayaka, Ishizuka Mizuki, Ito Miki, Kato Yui, Kito Mikuru, Nishii Mio, Sawada Kanon, Sugiyama Anan
- Oshiba Rinka also participated in the title track and covers, but she graduated shortly after the Senbatsu announcement and wasn't listed as such.
- First single and Senbatsu without Takayanagi Akane.
- The Senbatsu of the single is composed of all SKE48 Members except for others who already graduated after the release of So~Yu~Toko Aru Yo Ne? and performances in their 12th Anniversary.
- The music video of this single was premiered on January 12, 2021, before the release of their 27th single.
- The theater edition cover is used as a digital version, released on their online streaming devices
Oricon Chart Performance
| Date | Mon | Tue | Wed | Thu | Fri | Sat | Sun | Week Rank | Sales | Releases |
|---|---|---|---|---|---|---|---|---|---|---|
| 21.02.01 | - | 1 177,046 |
1 5,188 |
2 2,595 |
3 1,520 |
3 1,577 |
2 2,644 |
1 | 190,570 | |
| 21.02.08 | 6 | 19 | 16 | 14 | 10 | 11 | 18 | 16 | 2,954 | |
| 21.02.15 | 17 | 29 | 31 | 32 | 23 | 23 | 21 | 29 | 1,087 | |
| 21.02.22 | 22 | 9 | 3 5,800 |
8 | 4 | 21 | 14 | 9 | 13,261 | |
| 21.03.01 | 7 | 23 | 20 | 14 | 25 | 23 | 26 | 22 | 2,094 | |
| 21.03.08 | 13 | 26 | 19 | 7 | 5 | 47 | 45 | 18 | 2,564 | |
| 21.03.15 | 20 | 29 | 30 | 15 | - | - | - | 38 | 863 | |
| 21.03.22 | 3 908 |
4 | 3 3,498 |
36 | 31 | 9 | 19 | 4 | 12,362 | |
| 21.03.29 | 9 | 23 | 28 | 9 | 13 | 7 | 1 1,039 |
11 | 2,962 | |
| 21.04.05 | 2 2,243 |
14 | 9 | 5 | 6 | 4 | 4 | 5 | 7,003 | |
| 21.04.12 | 2 3,099 |
6 | 14 | 9 | 4 | 7 | 4 | 5 | 10,181 | |
| 21.04.19 | 3 3,949 |
10 | - | - | 2 8,033 |
3 1,945 |
4 | 3 | 17,946 | |
| 21.04.26 | 7 | 19 | - | - | - | - | 5 | 18 | 2,991 | |
| 21.05.03 | - | - | - | - | - | - | 11 | 62 | 251 |
Total Reported Sales: 267,089*
Total of weeks charting inside Top 200: 14