Naruto: the Strongest Kazekage Just Wants to Dig Canals

[No system + infrastructure farming + behind-the-scenes flow + single female protagonist] In Konoha 56, Gaara, who was only 7 years old, merged with a mature soul from another world. The strongest wind shadow? The pattern is too small! He will use the canal as a shackle to imprison war; use the water flow as authority to dominate peace!