"Merry Christmas from Bo A" (2005), the album's last single, was the singer's first digital single.
In May, Bo A renewed her contract with SM Entertainment until 2012.
Jumping into the World (a Japanese re-release of the mini-album Don't Start Now) and the Japanese single "Don't Start Now" were released a month later on the same day. It peaked at the number-two position on the Oricon chart.
Bo A released two more singles "Kiseki / No.1" and "Jewel Song / Beside You: Boku o Yobu Koe", both which also peaked at the number-three position.
In contrast with 1st Live Tour, which "emphasized exotic Asian design", the Love & Honesty tour had an "outer-space, sci-fi" theme; among the props were a three-story-high space ship and the robot Asimo.
Her fifth Korean album, Girls on Top (2005), continued her image change.
After the September 11, 2001 attacks, Bo A recorded the charity single "The Meaning of Peace" with Kumi Koda as part of Avex's Song Nation project to raise funds for charity.In 2006, Bo A was mostly inactive in South Korea as she focused her attention on Japan.Her fourth Japanese studio album, Outgrow, was released on February 15, 2006.Later that year, she released two Korean albums, Atlantis Princess and the mini-album Shine We Are! The former was the fifth-best-selling South Korean record of the year with around 345,000 units sold; the latter sold around 58,000 units.Her third Japanese studio album, Love & Honesty (2004) was a musical "change in direction": it contained a rock-dance song ("Rock with You") and "harder" R&B.