mumei got emotional when she saw sana's birthday video....

btw go watch the stream! 【MUMEI'S BIRTHDAY】 Celebration Time !! #itsMeiBday source:    • 【MUMEI'S BIRTHDAY】 Celebration Time !! #it...   I upload every day, so please follow the channel and write in the comments what I can improve! 📸[Thumbnail Art]:   / 1429620783337332739   📲 [Twitter]:   / darkmagiciangir   📎[I have no rights on the images!] 📎[I have no rights on the background music!] #hololive #holoMyth #HololiveEnglish