Japanese singer-songwriter Masayoshi Oishi released his new digital single "High Maintenance Girl" on July 12 and simultaneously posted the song's music video on his official YouTube channel . The song, which he wrote, composed, arranged, and programmed himself, serves as the opening theme for the summer 2026 TV anime Hanaori-san Still Wants to Fight in the Next Life . Masayoshi Oishi "High Maintenance Girl" Music Video Hanaori-san Still Wants to Fight in the Next Life Creditless Opening Video Masayoshi Oishi made his major debut in 2001 as the vocalist and guitarist of the three-piece rock band Sound Schedule, and in 2008, he also made his solo debut under the name, Masayoshi Oishi. Since his artist debut, he has released and written numerous anime theme songs, including "Yokoso Japari Park e" for Kemono Friends (2017) and "Gift" for The Angel Next Door Spoils Me Rotten (2023, 2026).