Yayoi Toreishi is one of the main charcters of "Idol Defense Force Humming Bird" and the second eldest of the Toreishi sister.
She is tomboyish and hotblooded, charcteristics that are showed evn by what she dresses and the way she speaks. She got an extremely atlethic body and a passion for cars and planes. While she seems the most brash in term of attitude, especially with Satsuki, she is very kind. She seems to share a deeper bond with Satsuki, roinforced by the fact that they are close in terms of age.
Title: The Best Guy ( "Idol Defense Force Hummingbird" ) - ("Idol Boeitai Hummingbird" - アイドル防衛隊ハミングバード )
Title: Summer - ( "Aidoru Boeitai Hummingbird '94 Natsu" - アイドル防衛隊ハミングバード '94 夏)