Operation: Secret SPY is the fourth chapter of Doraemon manga.
When Nobita breaks a vase belonging to his teacher at school, one of his classmates, Suneo Honekawa, uses this to blackmail him into doing work for him and becoming his slave like cleaning up classroom instead of the friends, buy some meat at butchery, finding the ball in the drain. Suneo tells others about "Vase"; if anyone says "Vase" Nobita must work for them and they use it to beg some money. Doraemon gets very angry when he hears and they decide to get Suneo back by recovering the broken vase abd spying on him to discover his weakness with Spy Set. While Doraemon spying, Suneo is looking at the mirror for thirty minutes and he has found that he is very hansome. Next he go to his bedroom, but getting lasy so he plans to make Nobita do it instead of him. While sleeping on the sofa, he wets the bed because of not wearing diapers. Doraemon and Nobita have finally found Suneo's weakness and Suneo breaks the same vase. Finally there are two weakness of Suneo, vase and diaper. When Gian tells "Vase" Soneo stands upside down and barking at the end.
Characters (in order of appearances)
- Nobita Nobi and Suneo Honekawa (as they appear altogether)
- Shizuka Minamoto and other classmates
- Takeshi Gouda and Yasuo (as they appear altogether)
- Mrs. Honekawa