Friends but Rivals

Friends but Rivals (仲間でライバル) is the ninth episode of the ''Love Live! Nijigasaki High School Idol Club'' anime series. It aired on November 28, 2020.

Summary
Haruka Konoe comes to Nijigasaki with Himeno Ayanokōji from Tooh Academy to invite the School Idol Club to Diver Fes, an annual music festival held in Odaiba, that they will also be attending. However, Nijigasaki can only perform one song, and they realize only one girl with have a chance to perform. Karin Asaka continues with her modeling work, and runs into Setsuna Yuki, Ayumu Uehara and Yu Takasaki while trying to find a dance school to improve on her dance skills. After talking with her, Setsuna suggests they all discuss who will perform at Diver Fes again, with the others choosing Karin. After talking with Himeno on the day of the event, Karin starts to feel insecure about going on stage alone with such a large crowd. The other club members manage to cheer her up by showing her that she is not alone, and Karin pulls off the performance.

Cast

 * Hinaki Yano as Yu Takasaki
 * Aguri Onishi as Ayumu Uehara
 * Mayu Sagara as Kasumi Nakasu
 * Kaori Maeda as Shizuku Osaka
 * Miyu Kubota as Karin Asaka
 * Natsumi Murakami as Ai Miyashita
 * Akari Kito as Kanata Konoe
 * Tomori Kusunoki as Setsuna Yuki
 * Maria Sashide as Emma Verde
 * Chiemi Tanaka as Rina Tennoji

Trivia

 * International streaming version End Card: Karin Asaka
 * If you look closely, the "Nanaka Suwa 1st Photobook ~Suwa Once Upon A Time~" and the "Nitta Emi's Ho・Ho・E・Mi Happy Music♪ Vol.2" books can be seen on the shelves at the entrance.

Callbacks to previous Love Live! series

 * At least one poster seen in Wonder Zone are reused for the GAMERS store's window display.

Errors & Goofs

 * 03:06 Objects on the table are missing.
 * 09:35 Fan merchanside had close-up looks of idols.
 * In BD, the backgrounds of two merchandises were changed.
 * 09:47 Idols' names showed whereas the posters are textless.
 * 10:20 In English dub, Karin finished speaking a bit early.
 * 10:23 Setsuna's haipin colors are even matched whereas it should be mismatched..
 * 10:43 Karin's wristwatch is missing.
 * 13:00 Some faces were poorly drawned.
 * 14:11 Background crowds appears larger than Ayumu and Yu.
 * 15:08 Karin's sleeves are missing.
 * 15:46 Karin's phone case is entirely black instead of lavander.
 * 18:07 Most of their ribbons with exemption of Setsuna's and Kanata's appears floating; Rina's left tie and pockets are missing; Setsuna's left arm appears broken.
 * 20:53 Karin's ribbon appears glowing.
 * 23:17 Karin's upper outfit is entirely black

Changes in the BD/DVD release

 * 01:28 Setsuna is added in the scene.
 * 02:25 Kanata's face is reanimated.
 * 02:42 Kanata's thumbnails were cleaned up.
 * 09:35 Merchandises on the top left are rearranged.
 * 09:51 A customer ordering at a shop was changed from a young girl to a teenage girl.
 * 11:10;13:22 Highlights on Karin's eyes is slightly altered.
 * 17:18 Close-up shot of Yu is altered.
 * 18:07 Several adjustments on their faces.
 * 18:57 Corrections on Himeno and backup dancers' faces.
 * 20:59 Reanimated scene of Himeno and Misaki.
 * 23:05 Ai and Kasumi casted shadows; Kasumi's chair is shorten.
 * 23:09 Minor changes to their eyes.