>>51303681Genki Meippai / 元気 メイっパイ is Rosa's trainer move and a play on words on meippai / めいっぱい and her japanese name Mei / メイ
But メイっパイ also happens to be one of the two ways you could name her big titty tag on pixiv, the other one being Meipai メイパイ
Result: メイっパイ tag goes from an abyssal 2 pics in 6 years to 477 in 3 years, and 77% of the 1500 メイパイ pics were made after masters released