Fuwa Fuwa☆Yumeiro Sandwich

is a song by Hello, Happy World!

It is the coupling track for their 4th single, High Five ∞ Adventure. It was released on February 20, 2019.

It is the gift song for the event A Fair and Fluffy Competition.

It was written by Oda Asuka, and arranged and composed by Kasai Yuta.

Video
Single Preview = The song starts from 01:56.