Hello! Project concert held at Nakano Sunplaza Hall.

Hello! Project concert held at Nakano Sunplaza Hall.

Hello! Project concert held at Nakano Sunplaza Hall.

Hello! Project concert held at Nakano Sunplaza Hall.

Hello! Project concert held at Nakano Sunplaza Hall.

Hello! Project concert held at Nakano Sunplaza Hall.

Hello! Project concert held at Zepp Tokyo Hall.

Hello! Project concert held at Nakano Sunplaza Hall.

Hello! Project concert held at Nakano SunplazaHall.

Hello! Project concert held at Nakano Sunplaza Hall.

Hello! Project concert held at Nakano Sunplaza Hall.

The 19th volume of Hello! Project's Petit Best series, which are annual compilations released at the end of the year, with an occasional remix or new...