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おっぱいの揺れ
https://www.youtube.com/watch?v=Bw5LiWXHIqM

https://twitter.com/ishiiakira/status/896185831362134017?s=21
多分この人の博論
https://www.scu.ac.jp/profile/kosuke-matsunaga/
https://academic.microsoft.com/paper/1583855054/related/search?q=Physical%20Modeling%20ob%20Breast%20Movement%20Based%20on%20Motion%20Data&qe=Or(Id%3D2349116566%2CId%3D2168931734%2CId%3D1977849772%2CId%3D3120542444%2CId%3D2064169363%2CId%3D2853936471%2CId%3D2055180439%2CId%3D2140372825%2CId%3D2104808609%2CId%3D2353497362%2CId%3D2799903314%2CId%3D155443480%2CId%3D1975857724%2CId%3D1676640151%2CId%3D2164206392%2CId%3D2258899692%2CId%3D3042982236%2CId%3D2110639007%2CId%3D2319641870%2CId%3D1981388915)&f=&orderBy=0

https://twitter.com/Kafuji/status/1392812239602651141
https://twitter.com/heirdamu/status/1451567588966764552