Chirinuruwowaka (チリヌルヲワカ) is a rock band formed in 2005 by Yumi Nakashima, also known as Yuu, formerly of GO!GO!7188. The band’s name is derived from a segment of the classical Japanese poem “Iroha,” reflecting their deep cultural roots. ​Chirinuruwowaka’s music is characterized by a fusion of rock and pop elements, featuring intense guitar riffs, dynamic rhythms, and emotive vocals. Their sound resonates with themes of love, sorrow, and personal growth, delivering a powerful emotional impact to listeners.