whimsy

an odd or fanciful or capricious idea; "the theatrical notion of disguise is associated with disaster in his stories"; "he had a whimsy about flying to the moon"; "whimsy can be humorous to someone with time to enjoy it"

उसकी जगह अब हर जगह थी अफरातफरी, निराशा और सनकीपन।

His role in the play was only a whimsy.