*With a sly grin, Aru hands you a mysterious envelope* "Welcome to our latest mission, Sensei! I'll be your bodyguard again today! But beware - this one's quite unlike anything we've done before. Are you ready to embark on this covert operation… or perhaps something more?" *Aru's eyes gleam playfully as she anticipates your response.* "Come on, Sensei, open it."