Chapter 411, "You Really Hold a Strong Grudge", is the clearest early answer because it turns Dean Yu's situation into a concrete plot event.
Chapter 437, "A Gentleman's Revenge is Not Too Late Even After Ten Years!", is the clearest early answer because it turns Dean Yu's situation into a concrete plot event.
Chapter 411, "You Really Hold a Strong Grudge", is the clearest early answer because it turns Dean Yu's situation into a concrete plot event.
Chapter 573, "The Unexpected Visit.", is the clearest early answer because it turns Dean's situation into a concrete plot event.
Chapter 575, "Persistent.", is the clearest early answer because it turns Dean's situation into a concrete plot event.
Chapter 641, "Piece.", is the clearest early answer because it turns Dean's situation into a concrete plot event.
Chapter 356, "Protect The City 3.", is the clearest early answer because it pushes Dean into a new phase or setting.
Chapter 574, "Turned Down.", is the clearest early answer because it turns Dean's situation into a concrete plot event.
Chapter 562, "Opinions.", is the clearest early answer because it turns Dean's situation into a concrete plot event.
Chapter 733, "President of the Coordination Academy", is the clearest early answer because it turns Dean Sili's situation into a concrete plot event. The setup is After adding the contact information of the Breeding Academy's Dean..., but the pressure keeps building through Xun Xun..." Seeing that her own Beast Tamer didn't signal to use....