Clover Moon, Rose Rivers, and The Lottie Project all contain examples of this due to large families being common in the Victorian era.

Raxberry, although adults reading the book would consider it a better ending for her than the alternative. Nadine thinks that her sister Natasha is their parents' favorite, given that her mother is less harsh on Natasha than on Nadine herself. In Hetty Feather, Hetty loses hope after finding out that Jem (who promised to marry her when she grew up) has made the same promise to their younger foster sister Eliza. Alpha Bitch: Justine in The Story of Tracy Beaker and My Mum Tracy Beaker, Kim in Bad Girls, Louise (she gets better) and Karen (she doesn't) in How to Survive Summer Camp, Chloe in Sleepovers, Rhiannon in Candyfloss, Skye in Cookie, Marilyn in Queenie, Sheila in Hetty Feather (who gets better by Sapphire Battersea. The title character of Amber briefly gets involved with Dave, who's at least twenty years older than she, when she believes she's pregnant and he offers to marry her and raise the baby with her.In Double Act, Garnet is embarrassed about having wet herself on stage during a school play when she was very young. Bella in Sleepovers easily eats the most out of any of the girls, and her birthday sleepover involves a huge tea party with tons of food. Even when she hears that she nearly drowned, she feels confused because she was only underwater for a minute.

Tilly from Rent a Bridesmaid has a mother who has been absent from the family for at least a year and a half. In the same book, he says he didn't try to ask out her sister Jan because Jan (heavily suggested to be a lesbian) obviously wouldn't accept. Love Frankie focuses on Frankie falling in love with Sally and eventually coming out as a lesbian (although her family thinks she's too young to know that for sure. This changes at the end of Series 3 when she, Gideon, and Sheila leave the hospital for their services.

Apparently nobody thinks to lodge a complaint against bullying or abusive teachers, so the main characters just suffer in silence. A lot of the characters in her books forgive their friends and loved ones extremely easily: Garnet forgives Ruby almost instantaneously for all of her bullying, Tracy treats her mother like an angel despite all the pain she causes her, and the one time Jade doesn't forgive her best friend Vicky for being horrible to her, she dies. It's hinted that he's not the best at commitment, and that he might end up leaving her behind again. Sarah doesn't understand that this isn't supposed to happen, and even Prue (who is otherwise selfish and aggressive) can't be angry with her. The Diamond Girls has the protagonist's family in a constant state of upheaval due to their mother frequently changing boyfriends and moving her children to new homes.