Famous enka singer, Sachiko Kobayashi, will be appearing as herself in a new PSO2 live concert event. She will be performing an original song, created in collaboration with indie composer "Beat Mario." The song titled, "Youkoso ARKS" will be coming to Phantasy Star Online 2 through a mid-August update.
- Title: Youkoso ARKS
- Singer: Sachiko Kobayashi
- Lyrics / Composer: Beat Mario