It's been reported that Akai Kouen's Tsuno Maisa (G) has passed away on October 18. She was 29 years old. 

Akai Kouen is a four-member rock band that formed in Tachikawa, Tokyo in 2010, then made their major debut in 2012. Tsuno was in charge of the songwriting and production of the band's songs. She is also known for providing songs to various artists including SMAP's "Joy!!" and Morning Musume.'16's "Utakata Saturday Night!" 

A message from Sony Music Labels and Akai Kouen's staff on the band's official website states, "The members and staff are unable to accept the reality of this sudden sad news. In accordance with the bereaved family wishes, her funeral will be held with relatives only. We thank you for your kindness during Tsuno Maisa's lifetime, and would like to express our sincere condolences."

Our sincere condolences go out to Tsuno Maisa's family and friends during this difficult time.