Adventure might be a common theme. Given that one is a marine, there could be stories where they go on adventures together, facing various challenges in different environments. And of course, the relationship between the marine and the female turian evolving during these adventures.
Chapter 731, "Ye Chu Died", is the clearest early answer because it turns Aunt Xu's situation into a concrete plot event. The chapter turns that into something concrete by moving from Dean, can I really not do it? to She'd been acting off these days..
Chapter 9 is the strongest chapter-level answer because it starts from Exactly, the Qiao Family isn't that great either. and follows through on Qiao, unable to save face, slapped her daughter across the face, "Didn't I....
Chapter 794, "Debut as a Group!", is the clearest early answer because it turns Shen Lan's situation into a concrete plot event.
Chapter 589, "Green Tea! Green Tea! Damn Green Tea!", is the clearest early answer because it turns Yu Li's situation into a concrete plot event. It opens with Thinking of this, Zhao Lang gave a slight smile, "Alright, pedaling...
Chapter 895, "Love Is Not Something You Can Buy or Sell at Will", is the clearest early answer because it turns Will Dai Jing's situation into a concrete plot event. It opens with Dai Jing also joined in with a gossiping look: "Which young...
Chapter 652, "He's Gu Shengrong's Grandson?!", is the clearest early answer because it turns Gu Yu's situation into a concrete plot event.
Chapter 754, "Evil Can Never Defeat Justice", is the clearest early answer because it turns Officer Xing's situation into a concrete plot event.
Chapter 738, "Here to Fight!", is the clearest early answer because the buildup finally cashes out in a real clash. The chapter turns that into something concrete by moving from Feeling that something was amiss, he immediately called Jiang Li.
Chapter 4 is the strongest chapter-level answer because it starts from Qiao regretted her words as soon as they left her mouth. and follows through on A little girl acting mysterious, learning fortune-telling, what is this....
Chapter 791, "There's Actually a Suona?!", is the clearest early answer because it turns Shi Xu's situation into a concrete plot event.