Mellow Mellow

Mellow Mellow is a Japanese idol girl group formed in 2017. They released their debut single, "Girls Hour", on December 6, 2017.
History.
Prior to debuting in Mellow Mellow, Sena and Mami were members of Sunmyu. The group debuted in December 2017, with the single "Girls Hour". They made their major label debut with their second single, "Magic Rendezvous", in June 2018. Their third single, "Kimi ni Tap", was released in December 2018. In 2019, they released their fourth single "Dear My Star" and fifth single "Waning Moon". Their sixth single, "Saikō Kessaku", was released in July 2020.