No, it's not appropriate. Such a theme is morally and ethically questionable and can have negative impacts on the audience.
It's highly inappropriate. Romances involving a significant age gap, especially with a minor, are unacceptable. Manga should promote positive and healthy relationships, not such controversial and potentially harmful ones.
Chapter 732, "Sister Xiao Wan, I Don't Understand", is the clearest early answer because it turns Aunt Xu's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Bai Lu, eavesdropping in the corner, marveled at Jiang Cheng's...
Chapter 430, "I Quit", is the clearest early answer because it turns Guan Xiong's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Hey, do we join a team that's short on members, or do we form our...
Chapter 656, "If he's the grandson of the richest man, then I am the richest man!", is the clearest early answer because it turns Shang Shuyue's situation into a concrete plot event.
Chapter 488, "You Must Be the Captain Then!", is the clearest early answer because it turns Shang Shaojing's situation into a concrete plot event. It opens with Lose face?" Nina's voice rose sharply, "We're already at a dead end,...
Chapter 471, "This is What Happens When You Abandon Sister Li!", is the clearest early answer because it turns Li's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Seeing the thick wooden stakes Jiang Li had brought down, Yu Li...
Chapter 418, "Individual Rankings", is the clearest early answer because it turns Living Yama's situation into a concrete plot event.
Chapter 676, "Third Uncle Will Buy It for You!", is the clearest early answer because it turns Shen Lan's situation into a concrete plot event. The chapter gives readers a real answer by opening on Jiang Zhao Yuan felt somewhat embarrassed by such a direct revelation.
Chapter 597, "Uncontrollable Things Still Happened", is the clearest early answer because it turns Zhao Lang's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Gu Yu's disappearance couldn't be related to the secret of this...
Chapter 374, "From Now On, Jiang Li Calls the Shots in Golden Sand!", is the clearest early answer because it turns Jiang Li Calls's situation into a concrete plot event.
Chapter 649, "Where Did the Wild Wolf Come From?!", is the clearest early answer because it turns Jiang Cheng's situation into a concrete plot event. It opens with Several people successively lay down in the tent, and before long,...