When I was listening it (without watching the video) I thought haruna's voice has changed, but i didn't notice it was mami who was singing. ¿Am i right? If so, I want rina to sing too 
Rina surprised me with her lipstick, it's so red for me but it's fine.
Thank you for the upload.

Rina surprised me with her lipstick, it's so red for me but it's fine.
Thank you for the upload.