Aiwass even suspected that the grapes had already been enchanted, washing Mycroft's head or something...
"Olive" guessed that Aiwass was maintaining his disguise, so he couldn't even hint to "Mycroft" that something was amiss with his performance—if Aiwass saw through it all, his refusal to reveal it would have made him appear suspicious. Thus, the two people who knew Mycroft had to pretend that Miss Grape's performance was flawless.
At this thought, Aiwass felt relieved.
Thank heavens, Sherlock hadn't followed them into the ceremony.
But at that thought, he suddenly felt a bit regretful.
Because Aiwass really did want Sherlock to witness this scene.
Luckily, "Sherlock" himself was completely unaware of what was abnormal about his "older brother" who only existed on paper.
He simply frowned as he scrutinized the other person, and it wasn't long before he seemed to recognize the other's identity from some detail.
"Brother, come with me for a moment."
