#1Sekai Symphony 2023 Airi's 19th Bi...by anaussienamedjim341Sekai Symphony 2023 Airi, or her real name Pen Huff, is having her 19th birthday on September 15th, 2024. She talks to her friends on Zoom. This is a one-shot.Completedvocaloidsekaisymphony2023airiprojectsekaicolorfulstage+1 more