I'd recommend 'March Comes in Like a Lion'. It explores the theme of bullying in a nuanced manner, showing the complexity of the characters' feelings and their growth through it.
For me, 'My Hero Academia' has some elements of bullying that are handled well. It shows the impact and how characters overcome such situations, along with great action and character development.
Chapter 595, "Four-legged Black Toad", is the clearest early answer because it turns Four-legged Black Toad's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Jiang Li steadied himself with support, endured for a while, and then...
Chapter 927, "Jiang Li: Deceased, Do Not Disturb", is the clearest early answer because it turns Jiang Bufan's situation into a concrete plot event. The chapter gives readers a real answer by opening on Doomsday Beehive" made over fifty million in box office sales within...
Chapter 654, "Did Everyone in Team Q Go to the ICU?!", is the clearest early answer because it turns Miss Jiang's situation into a concrete plot event. A useful checkpoint is the way the scene starts with All of a sudden, all public opinions burst out.
Chapter 678, "The Biggest Connection in the Circle of Friends!", is the clearest early answer because it turns Jiang Yan's situation into a concrete plot event. The chapter turns that into something concrete by moving from The landlord stood up, maintaining his smile, "Fifty-eight thousand,...
Chapter 801, "This Elder Sister Is So Smart", is the clearest early answer because it turns Jiang Li's situation into a concrete plot event. The chapter turns that into something concrete by moving from Buchen is quite diligent, he even knows how to tidy up his own...
Chapter 817, "Killed by Me", is the clearest early answer because the violence around Jiang Mingchuan becomes final instead of hypothetical. The chapter gives readers a real answer by opening on Jiang Buchen leaned against Meng Wanzhi's chest and thoughtfully...
Chapter 634, "All Villains", is the clearest early answer because it turns Yu Li's situation into a concrete plot event.
Chapter 661, "Uninvited Guest", is the clearest early answer because it turns Miss Jiang's situation into a concrete plot event. Early on, A moment later, Zhuola let out a cold laugh, her voice hoarse as she.... By the end, To his right was a security guard, sound asleep, and to his left was....
Chapter 615, "River·Doraemon·Li", is the clearest early answer because it turns Jiang Yan's situation into a concrete plot event. The chapter turns that into something concrete by moving from Everyone huddled close with their bowls in hand. to This wind turbine is what I exchanged for yesterday..
Chapter 737, "Shu Yan in Trouble!", is the clearest early answer because it turns Sister Yan's situation into a concrete plot event. The chapter gives readers a real answer by opening on South City Film and Television Shooting Base.