おまんじゅうシリーズ おまんじゅうにぎにぎマスコット ビッグおまんじゅうクッション
[[Merchandise]] of beanbag keychains that have the faces of various characters. Very popular with series aimed at girls. Fully known as an Omanjuu Niginigi mascot.

"Example 1":http://www.amiami.com/top/detail/detail?gcode=FIG-COL-7192
"Example 2":http://www.play-asia.com/ensemble-stars-omanjuu-niginigi-mascot-vol1-set-of-8-pieces/13/709bc3

Do not confuse with [[yukkuri shiteitte ne]], as those have hair, and these do not. 
omanjuu mascot