Yuka Yamauchi, an actor known for her roles in the musical 'Fate/Zero' and the opera 'Ouran High School Host Club,' released her 2nd digital single 'Ai no Shikata' on May 15, 2026. Following her artist debut through crowdfunding, Yamauchi wrote the lyrics herself, with Yu (vague) returning as composer and music producer. The song portrays the emotional journey of learning to love oneself through the warmth of others. Yamauchi also directed and edited the music video.