Chapter 833, "Retreat", is the clearest early answer because it turns Retreat's situation into a concrete plot event.
Chapter 738, "Retreat", is the clearest early answer because it turns Retreat Vroom's situation into a concrete plot event.
Chapter 723, "Retreat", is the clearest early answer because it turns General Sully's situation into a concrete plot event.
Chapter 503, "Beginning (3).", is the clearest early answer because it turns Alec's situation into a concrete plot event.
Chapter 501, "Beginning (1).", is the clearest early answer because it turns Alec's situation into a concrete plot event.
Chapter 470, "True plan", is the clearest early answer because it turns True's situation into a concrete plot event. The setup is Who said anything about them being aliens?, but the pressure keeps building through Who said they want to colonize our world?.
Chapter 836, "Tactical retreat", is the clearest early answer because it turns Step Step Step's situation into a concrete plot event.
Chapter 502, "Beginning (2).", is the clearest early answer because it turns Battle Academy's situation into a concrete plot event. The setup is “Hey, it’s the Battle Mage Academy team!, I can’t believe I’m..., but the pressure keeps building through Vincent Whitefang the teams captain ?.
Chapter 201, "Beginning Of Arc 2.", is the clearest early answer because it turns Alec's situation into a concrete plot event.
Chapter 344, "Beginning Of Chaos.", is the clearest early answer because it turns Alec's situation into a concrete plot event.