Working Hard on Active Duty, The Strongest Helper

With the city of Konoha mapped in explosive tags a decision must be made on whether or not to remove them or evacuate the citizens of Konoha. Because evacuating everyone would cause suspicion, Shikamaru’s team must gradually remove all the tags without anyone noticing. They remove the tags and the elders see something weird. What is the weird thing in the tags? And can they remove all the tags with out causing one to explode?

Anime Series: Naruto