A little sister like Chino with 〜みたい

Grammar Explanation: Likening things with 〜みたい

During a group study session, Chino finds Syaro a much better teacher than Cocoa.

speaker:: 「チノちゃんみたいな妹(いもうと)がいたら毎日(まいにち)だって教(おし)えるのに」; "If I had a little sister like Chino, I'd teach her (homework material) every day."