Uraraka Ochako's manga is typically aimed at a general audience and doesn't include hentai. Hentai is a genre that often involves adult and explicit content which is not associated with mainstream manga featuring this character.
No, such content is not appropriate and usually not part of official or legitimate manga.
Chapter 335, "Songyang Ridge, Seven Houses Surrender, First Batch of Silver Arrives", is the clearest early answer because it pushes Great Xia into a new phase or setting. It opens with In the third year of Great Xia, on the eighth day of August, during... and closes on I was shortsighted." "As expected, the lord is far-sighted.. The key payoff is that it turns Great Xia's growth into a concrete upgrade step and sets up the next payoff in the power growth storyline linked to Great Xia.
Chapter 304, "The Defeated Longyou Army, Xia Army Cannot Escape, Holy Tripod", is the clearest early answer because Xia Chuan gets a payoff that changes the stakes. The chapter turns that into something concrete by moving from Xia Chuan realized this point earlier than the others, so as soon as... to Following the leader to achieve such fortune, I've lived enough.. What makes it stick is that the chapter closes with "Tend to yourself first;
Chapter 316, "Blood Jade Fox and Teasing, Boiling Xia City, Migration Begins (Part 4)", is the clearest early answer because it pushes Xia Hong into a new phase or setting. A useful checkpoint is the way the scene starts with The value of an Intermediate Cold Beast is generally between 4000 to... and follows through with This bunch in front of you will probably all break through before you..
Chapter 103, "Selling a Kidney to Repay Debt", is the clearest early answer because it turns Jiang Yan's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Jiang Yan looked at Zhao Lang with suspicion, eyeing the dark...
Chapter 285, "Ksitigarbha Bodhisattva", is the clearest early answer because it turns Magic Artifact's situation into a concrete plot event. A useful checkpoint is the way the scene starts with He could distinctly feel his back rubbing intimately against the...
Chapter 61, "Young Master Before vs After Going to the Countryside", is the clearest early answer because it turns Has Mr's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Hahahaha, oh my god, Jiang Li's mouth is even more venomous.
Chapter 84, "Is it Just About Having Hands?", is the clearest early answer because it turns Wen Jiaojiao's situation into a concrete plot event. A useful checkpoint is the way the scene starts with When the villagers tasted his curry beef one by one, their faces...
Chapter 320, "Prototype of the Governmental State, Intensive Follow-Up Arrangements (Part 3)", is the clearest early answer because it pushes White Dew Gu into a new phase or setting. The chapter turns that into something concrete by moving from In this way, the entire camp is still largely controlled by the Six... to The Seventh Prison Department can be established first..
Chapter 340, "Seclusion, Growing Yu Generation, Family Banquet, Rapid Development", is the clearest early answer because it turns Xia Yusheng's situation into a concrete plot event. The chapter turns that into something concrete by moving from But unexpectedly, at this very moment, the solemn and sacred... to The last time Nong Ying carried the Second Prince, she wasn't paying....
Chapter 332, "Chen Ying's New Discovery, Xia Yuning, Good News Abounds", is the clearest early answer because it turns Xia Chuan's situation into a concrete plot event. The setup is Li Xuanling was about to speak when Xia Hong's voice suddenly came..., but the pressure keeps building through It really is like having one's wishes fulfilled..