Chubbiness

 was a group under Avex.

The group was created following the Avex x CanCam fashion magazine collaboration audition held in Summer 2013. They picked all 10 members from 3500 applicants from all over Japan to create Japan's first "marshmallow" idol group, Chubbiness.

Their motto and catchphrase were "Chubbiness, be happy!". Their goal is to help people to accept and like their body as it is, and show Japan's very strict body type standards that girls (and everyone else) can be chubby, cute and happy.

All members graduated on March 9, 2019.

Final Line-Up

 * Yaegashi Kotomi (八重樫琴美) (main dancer)
 * Takao Sonoko (高尾苑子)
 * Ikeyama Chiaki (池山智瑛)
 * Saihara Marino (才原茉莉乃)
 * Morimoto Eri (森本愛理) (main singer)
 * Horikawa Ami (堀川杏美) (main singer, main dancer)
 * Kawai Akina (河合秋奈) (main dancer)
 * Nakazaki Erina (中﨑絵梨奈)
 * Shima Rika (嶋梨夏) (leader, main singer)

Former Members

 * Asakawa Misaki (浅川美咲) (Graduated in February 1, 2017)

Albums

 * [201x.xx.xx] We are Chubbiness!
 * [201x.xx.xx] Chubbiness Wonderland

Digital Singles

 * 1) [201x.xx.xx] Jongara Takeshido (じょんがら武士道)
 * 2) [201x.xx.xx] Hallelujah☆Wonderland (ハレルヤ☆Wonderland)
 * 3) [201x.xx.xx] Koi no Emotion (恋のエモーション)
 * 4) [201x.xx.xx] Paricchu(Heart)PuricChu (パリッChu(ハート)プリッChu)
 * 5) [201x.xx.xx] Nijiiro Flavor (虹色Flavor)
 * 6) [201x.xx.xx] Odoru Ah!Hooo! (踊ルAh!Hooo!)
 * 7) [201x.xx.xx] Yume, Kaku Basho (夢、描く場所)
 * 8) [201x.xx.xx] Ittareiya! (イッタレェィヤァー) (1st performance on 11/14/2015)
 * 9) [201x.xx.xx] Puruntto Heart (ぷるん♫っとハート♡) (1st performance on 11/7/2015)
 * 10) [201x.xx.xx] DRY YOUR TOWEL ~kawakase taoru~ (DRY YOUR TOWEL～乾かせ！タオル～) (1st performance on 10/31/2015)
 * 11) [2015.07.01] Gomen ne... watashi, kekkou moterunda wa (ごめんね…私、結構モテるんだわ…. )
 * 12) [2015.04.29] Motto, HOT ga motto! (もっと、HOT!がモットー!)
 * 13) [2014.10.08] Manmadeiya! (マンマディーヤ)