Answer
Yes. The official description emphasizes choices, characters, relationships, and world impact, so story context matters.
Yes. Piggy: Intercity has story content built around NPCs, relationships, choices, factions, quests, and world changes.
The important gameplay point is that choices matter. Do not rush major NPC decisions if you care about outcomes or endings.
Story pages should be read together with quest pages because many questions are not just lore questions; they affect route planning.