Vocalists ko-dai and eyeron, and DJ matty form the three-member musical unit Sona Pocket, and following last year's performances, which sold out all shows, they will once again hold their winter Billboard Live Tour in Tokyo and Osaka this year. With signature songs such as 'Your Song,' '365-Day Love Story,' and 'I Love You. ~100 Regrets~,' they are also known as the 'Love Song Masters.' They paused live activities in 2024 but resumed in 2025. In 2026 they will expand their activities further, centered on live performances, including a tour across 14 cities nationwide and three consecutive months of digital releases. At the start of the year, experience Sona Pocket's words and melodies to your heart's content in an intimate club space.