"Ariamaru Tomi" (ありあまる富, The Invaluable)[1] was Japanese singer Shiina Ringo's first single as a solo artist in five years.

It is featured in the 2024 video game Like a Dragon: Infinite Wealth as the ending theme.

"Ariamaru Tomi" is the theme song for the TV drama Smile of TBS.

"Ariamaru Tomi" is not contained in Shiina's 4th studio album Sanmon Gossip released on June 24, 2009.

The song was performed live by Shiina as a part of her band Tokyo Jihen at their appearance at the Countdown Japan festival in 2009, and during the band's Ultra C tour in 2010.