While Miracle² is interviewed on radio, Iwamoto (Akihiro Kakuta), Kanon's father's old bandmate, is turned into the Negative Jeweler, Mimizawari. Miracle Tunes uses the Rock Jewel to purify him and recover the Techno Jewel. However, their excitement is short-lived when they are notified that KariKari, a pop idol duo from the United States consisting of sisters Akari and Hikari, will be debuting in Japan.

Mai and Fuka are concerned about KariKari, whose popularity threatens their ability to gather Harmony Energy, while Kanon's classmates advise her to get her future told by the techno fortune teller, Jupiter Kazuo (Satoshi Judai). Jupiter Kazuo is turned into the Negative Jeweler, Senrigan, whose fortunes all lead to a dismal future for each of his clients. Miracle Tunes use the Techno Jewel to defeat him and recover the Reggae Jewel.

Fuka is upset at her parents cancelling their visit home, and while a parent-teacher meeting takes place at their school, and Mr. Sakurai is turned into the Negative Jeweler, Sunegajiri. Miracle Tunes defeats him by having Mai answer his questions correctly, and they recover the Castanet Jewel. Afterwards, Fuka receives a doll in the mail from her parents and makes amends with Kanon.

Miracle² and KariKari perform on the music competition program, Music Coliseum. Meanwhile, Kojiro becomes a guest on Chris Maeda's (Ken'ya Ōsumi) fitness program. When Chris turns into the Negative Jeweler, Taishibo, Miracle Tunes defeat him and recover the Salsa Jewel, with KariKari and Komuragaeri discovering their secret.

Now that the Dokudoku-dan know Miracle Tunes' true identities, they transform a reporter (Wakana Matsumoto) into the Negative Jeweler, Kikimimitatecchi, while Miracle² is scheduled to perform. Akari and Hikari volunteer to fight instead, with Alm and Sopra offering their Sound Jewels to them. They defeat the Negative Jeweler to recover the Waltz Jewel. After they return to the filming location, Sawanobori announces that both teams have won the competition, since Akari and Hikari are now part of Miracle².

With Akari and Hikari as the group's new members, Miracle² holds a press conference. During the press conference, a reporter (Kouichi Oohori) is turned into the Negative Jeweler, Tabesugi. Akari uses her Miracle Tambourine to activate a barrier to protect Miracle Tunes, and they defeat him, recovering the Ballad Jewel.

While recording Miracle²'s new song, "Jump!", Mizoochi turns the song producer (Hiroshi Yamamoto) into the Negative Jeweler, Anotekonote, who puts Sawanobori under his control and attacks Hikari. Miracle Tunes defeat him with the Techno Jewel to recover the Maracas Jewel.

Miracle² holds a performance at Kamome Records to celebrate the release of their newest single, where it is rumored that idols who perform there will experience success. During the performance, the Dokudoku-dan turns the manager (Takeyasu Komiya) into the Negative Jeweler, Kowamote. Miracle Tunes defeats him, recovering the Enka Jewel. The Dokudoku-dan steal a bag, mistaking it for the Sound Jewel Case, but after being tricked, they declare war.

Miracle² is performing with Ayame Jindaiji (Nobue Iketani), a famous enka singer, on a music show, with Fuka's grandparents attending the show in support. Ayame is turned into the Negative Jeweler, Yanagigoshi. Miracle Tunes uses the Enka Jewel to tune her up, recovering the Horn Jewel. Meanwhile, Mizoochi infiltrates Miracle²'s dorm, only to be accosted by Kojiro.

Ryo invites Miracle² to his agency's building to watch the fireworks. Komuragaeri turns the CEO (Yoshiki Arizono) and his wife (Miho Ninagawa) into the Negative Jewelers, Wagamonogaozu. Kanon and Ryo are trapped in the elevator as Wagamonogaozu spreads a Negative Aura to the other guests, but once they are able to escape, Miracle Tunes purify and recover the Drum Jewel.

Miracle² trains at a temple in the mountains and share ghost stories at bedtime, but they become frightened navigating the temple at night. Komuragaeri sneaks into the temple and turns the priest (Yoichi Nukumizu) into the Negative Jeweler, Nodobotoke, and they scare Miracle Tunes. However, Komuragaeri mistakens Yuzuhara for a ghost and flees, allowing Miracle Tunes to tune up and recover the Punk Jewel.

Miracle² become judges for a comedian audition. Nechigae infiltrates the audition and turns Kojiro into the Negative Jeweler, Kuchibiru Pururun, who begins to target young men. Miracle Tunes defeat him and recover the Harmonica Jewel, but the Dokudoku-dan hypnotize Kojiro and kidnap him.

Kanon receives a ransom note during Miracle²'s handshake event demanding the Sound Jewel Case in exchange for Kojiro, though Kojiro escapes on his own. She secretly takes the Sound Jewel Case to the Dokudoku-dan. The Dokudoku-dan turn a construction worker (Kanji Tsuda) into the Negative Jeweler, Hofukuzettoka, and steal the Sound Jewel Case, but the rest of the girls come to her rescue. Miracle Tunes takes the Sound Jewel Case back uses the Rock Jewel to tune up Hofukuzettoka, recovering the Metal Jewel.

Miracle² is set to film a television segment. During shooting, Nechigae steals the Sound Jewel Case and turns the director (Yoshiko Inoue) into the Negative Jeweler, Haradekke. Miracle Tunes pursues Nechigae and takes back the Sound Jewel Case while Yuzuhara distracts Haradekke, attempting to transform using her Idol Jewel. Though it fails, Miracle Tunes rescues her and recovers the Marching Jewel.

While Kanon's class is having art class outside, Komuragaeri infiltrates her school and turns the art teacher (Toru Tezuka) into the Negative Jeweler, Shinbigan, who puts the students under his control. Miracle Tunes defeats him and recovers the Ocarina Jewel.

Miracle² films their television show at Montana, the cake shop Kanon's mother works at. Nechigae turns the shop assistants (Kanon Nanaki and Satomi Ohkubo) into the Negative Jewelers Mushiba and Sashiba. Miracle Tunes uses the Hip Hop Jewel to engage them in a rap battle and defeat them, recovering the Opera Jewel. Meanwhile, Kanon's mother witnesses their battle but decides not to tell her.

Miracle² celebrates Mai's birthday, and she receives her mother's CD in the mail. Together with Mai, Miracle² reminisces the times when each of them first became Idol Warriors. This episode is a clip show.

The Dokudoku-dan invade Miracle²'s dormitory and turn Yukie into the Negative Jeweler, Udekikokkun. Miracle Tunes defeat her, recovering the Tango Jewel. Afterwards, the Goddess of Music gives Mai the Crystal Melody Box, which plays a healing melody once all Sound Jewels have been collected and activates Final Mode after the Crystal Jewels have been found. However, the Demon King summons Sano and Uno, breaking the Goddess' mirror and creating five Super Negative Jewelers with the Crystal Jewels.

With Sano and Uno serving the Demon King, the Dokudoku-dan doubt their worth and leave. Miracle² finds a Negative Aura reading from an underground mall and are led to an old man (Tomio Suga), who transforms into the Super Negative Jeweler, Jinzo. He easily overpowers Akari and Hikari, but Mai uses her power to deflect his attack. Miracle Tunes uses the Rock Jewel to defeat him, recovering Mai's Crystal Jewel.

Hikari becomes restless and determined to find the Crystal Jewels. While Miracle² goes on a hiking trip to Mt. Christa, she tracks down a Negative Aura to a hiker (Kazuki Namioka), who turns into the Super Negative Jeweler Kaizo. Miracle Tunes use the Hip Hop Jewel to defeat him, with Hikari leading the rap battle, and they recover her Crystal Jewel.

Miracle² goes to the harbor of Amerimura, Akari and Hikari's hometown, to film a television show. Akari finds a signal to her Crystal Jewel, leading her and Hikari to a fisherman (Takahiro Kuroishi) who turns into the Super Negative Jeweler Suizo. Miracle Tunes defeats him with the Enka Jewel, recovering Akari's Crystal Jewel.

At the Mirai Water Research Laboratory, Miracle Tunes face two Super Negative Jewelers, Shinzo (Akira Shinomiya) and Hizo (Shinichi Takamatsu), at once, who combine into one Hyper Negative Jeweler, W. Mai is injured, and motivated by their friendship, Miracle Tunes takes advantage when Shinzo and Hizo argue for control of W. With the Techno Jewel, Miracle Tunes recovers Kanon and Fuka's Crystal Jewels, allowing them to transform into Final Mode.

Uno infiltrates Raspberry Music's building and spreads a Negative Aura that affects almost everyone inside. Miracle Tunes cannot defeat him with their normal power, resorting to using the Crystal Jewels. Uno is defeated and turns into a tortoise, but Final Mode uses up all of the Harmony Energy, motivating Miracle² to perform and gather more.

Miracle Tunes investigate a parking lot to find Sano. Kanon and Fuka are captured, leaving the rest of Miracle Tunes unable to use Final Mode, as using the Crystal Jewels requires all of five of them. Mai has Akari and Hikari deflect her attacks against Sano to free them, allowing them to transform. Sano is defeated and turns into a hare, while the Goddess' mirror is repaired, allowing Miracle² to contact her again.

The girls prepare a surprise birthday party for Kanon as they recount the times they recovered the Hip Hop, Rock, Techno, and Enka Jewels, as well as Final Mode. This episode is a clip show.