Cast:Rikako Aikawa

Lemon Sunomono（スノモノ・レモン,Sunomono=Remon）is a character that appears in Crayon Shin-chan: Fierceness That Invites Storm! Operation Golden Spy.

A 7-year old spy girl who suddenly appeared in front of Shinnosuke. Her mission was to recapture the "Action Power Capsule" from Dr. Hegaderu "scientist of evil" along with the Shinnosuke as a member of the "Action Spy" Organization, which was supposedly run by Action Mask. Her true identity is a spy of the Republic of Sukashipesutan who received a directive that was to retrieve "Megahegaderu 2", a powerful experimental sweet potato jelly developed by Dr. Hegaderu of the Hegaderu Kingdom. She is powerful in both physical ability and knowledge, but is always calm and reassuring due to her parents ingraining the idea of absolute obedience on her. After realizing the true plan of Narao and Yosuru, she releases the Nohara family and along with Shinnosuke, planned on stopping their plans. In order to do so, they both ate most of Megahegaderu II" and destroyed the laboratory itself by releasing a huge fart. After the big incident, she and her family live in exile in the Hegderu kingdom.