C62 The Tool User, Su Qin(1)

"Doo-doo-doo-doo-doo, doo-doo-doo-doo-doo-doo-doo, doo-doo-doo-doo-doo-doo-doo-doo-doo-doo-doo-doo-doo-doo-doo-doo-doo-doo-doo-doo-doo-doo-doo-doo-doo-doo."

Su Qin couldn't whistle, but she had her own way of expressing her cheerfulness. Whenever she felt uplifted, she'd return home humming nonsensical melodies, swinging her bag with a bounce in her step. Today was no different