The series premiered onDisney+on December 6.

After the breakup, Hyun-seo received many awards for being a successful piano teacher.

During their time apart, though, Su-ho worked harder, becoming the CEO of a content creation company.

Keum Sae-rok as Do Hyun-seo

Steve Sanghyun Noh’s most recognizable role is playing Isak inPachinko.

The actor also appeared inNetflix’sSense8,Seoul Searching, andLove My Scent.

Kei is a content creator whom Su-ho hires for his next project.

Steve Sanghyun Noh as Ji Su-ho

As a result, Kei’s workstation is inside Su-ho’s home.

Unexpectedly, Hyeon-seo and Kei bond over music as the latter is a singer-songwriter.

Sohn Jeong-hyuck is a singer-songwriter in real life, andSoundtrack #2marks his acting debut.

Sohn Jeong-hyuck as Kei

Kwon Seung-woo plays the character.

Chang-Sik is the main reason why the two former lovers reunite.

Kwon Seung-woo has credits inYumi’s Cells,Vincenzo, andHospital Playlist.

Kwon Seung-woo as Chang-sik

Instead, she considers it as a life lesson.

Kim Jin-Kyeong is the one who pushes Hyun-seo to pursue her restaurant business despite the overwhelming odds.

Hye-jin is known for her notable roles inAshfall,The Beast,andNot Others.

Jeon Hye-jin as Kim Jin-Kyeong

The character is portrayed on-screen by Gong Yoo Rim.

Da Young and Hyun-seo are former classmates from Eunseong.

Gong Yoo Rim previously appeared inRecalled,Do With All Your Heart Today, andFirst Kiss.

Gong Yoo Rim as Da Young

Soo Min tells Su-ho that it could lead to hearing loss if not treated with rest.

Do Hyun-seo encounters the restaurant owner since she also works as a part-time delivery rider.

Choi E Jun previously appeared as a young Nam-in in Netflix’sStrong Girl Nam-Soon.

Park Bo Kyung as Kim Soo Min

The young actor also has credits inMy DearestandFrom Now On Showtime.

Hyun-seo loves cooking Tteokbokki for Seo Yoon and Seo Joon.

Kim Yun Seul is known for her notable roles inSweet HomeSeason 2,Ghost Doctor, andReflection of You.

Moon Hyeon Jeong as Tteokbokki Restaurant Owner

Soundtrack #2is streaming on Disney+.

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