Orange Caramel

2010: Debut with The First Mini Album and The Second Mini Album

Orange Caramel debuted on June 16, 2010, with the single "Magic Girl". Their debut mini-album, The First Mini Album was released on June 21, 2010. The album was a commercial success, peaking at No. 2 on the Gaon Chart with the lead single "Magic Girl" peaking at No. 18. The mini-album was also released in Taiwan, where a Mandarin version of "The Day You Went Away", a cover from Cyndi Wang, originally by M2M, was also included. Both versions of the album included Raina's R&B solo, "Love Does Not Wait" (사랑을 미룰 순 없나요).

On November 18, 2010, The Second Mini Album was released with the title track "A-ing". The music video for "A-ing" had a fairy tale witches concept. The album peaked at No. 10 on the Gaon Chart and the lead single, "A-ing", peaked at No. 5. The second single released from the album, a solo by Raina titled "Not Yet..." (아직...), peaked at No. 42. The album also includes the song "One Love" and a Korean version of "The Day You Went Away" (이곳에 서서).

2011: Bangkok City and Shanghai Romance

On March 30, "Bangkok City" was released as part of the group's "One Asia" project. The single peaked at No. 3 on the Gaon Chart, thus making it the group's most successful single to date. Orange Caramel continued the "One Asia" project with the release of "Shanghai Romance" on October 13, which peaked at No. 8. The song's lyrics were written by Kim Hee-chul of Super Junior. The single had two B-sides: "Close Your Eyes" (눈을 감아), a solo by Nana, and the Mandarin version of "The Day You Went Away". A Japanese version of "Shanghai Romance" was later released as a bonus track on After School's debut Japanese album, Playgirlz.

2012–13: Japanese debut and Lipstick

Orange Caramel debuted in Japan on September 5, 2012 with a cover of 1970s pop group Candies song "My Sweet Devil". They returned to Korea and released their first studio album, Lipstick on September 12. On October 23, 2012, Orange Caramel released the single "Lipstick DJ Remix". It consisted of two remixes of "Lipstick" by DJs Vodge Diper and Hanmin. Vodge Diper's remix was subsequently used in their live TV performances.

The group's first Japanese studio album, Orange Caramel, was released on March 13, 2013. It included their previous Japanese singles and Japanese versions of their Korean singles, as well as some new songs.

On May 9, 2013, Orange Caramel released a collaboration with indie band 10cm. The single is a remake of 10cm's "Hug Me" (안아줘요) and is part of LOEN Entertainment's "Re;code" project. In July 2013, Orange Caramel released the book Youth Travel (청춘 여행), which contains short essays and photos of the group visiting Seoul and Jeonju.

2014: Catallena, Abing Abing and My Copycat

Orange Caramel's third single, "Catallena" was released on March 12. In the music video, the group appear as mermaids before turning into different types of sushi. The song has a Bollywood-inspired disco beat and samples a Punjabi wedding folk song. The single peaked at No. 5 on Gaon's album chart and No. 6 on the digital chart, as well as No. 4 on Billboard's K-Pop Hot 100. "Abing Abing" was released on May 20. The song was used to promote Baskin Robbins' new line of ice cream bingsoo, or patbingsu, a Korean shaved ice dessert. At the end of 2014, it was number 12 on Billboard's list of the 20 best K-pop songs of the year.

On August 18, Orange Caramel's fourth single, "My Copycat" (나처럼 해봐요; Nacheoreom Haebwayo, lit. "Do it Like Me") was released. The theme of the music video is based on Where's Waldo? and prompts viewers to find the Orange Caramel members in different scenes as well as spot the differences between similar side-by-side shots. It was directed by video production team duo Digipedi who had previously worked with the group on "Catallena" and "Lipstick". The single peaked at No. 8 on Gaon's album chart and No. 19 on the digital chart. A music video the B-side track "The Gangnam Avenue" (강남거리) was released on September 3. Later that month, the group released their first soundtrack single, "Tonight" for the television series It's Okay, That's Love.