[Harry Potter + founders' era + Marauders' era + next generation + multiple couples + pure romance + multiple alternate timelines + episodic stories]
The characters in each story aren't in the same timeline. Each timeline runs about 80,000 to 120,000 words.
Draco & the young lady betrothed to the Selwyn family
Sosna Selwyn was betrothed to the young master of the Malfoy family as a child. But instead of being fond of each other, the two were more like enemies, always finding fault with one another, until one day everything suddenly started to change...
Cedric & the insecure, sensitive Hufflepuff girl who feels ordinary
Ovidra Gade comes from an utterly ordinary wizarding family. Luckily, she has an extraordinary neighbor. They grew up together, attended the same school of magic, and were sorted into the same house. But he remains the center of attention, while she is still invisible...
Tom & a helpless little darling
As an orphan with no strength to defend herself and a congenital heart condition, Davey Tuff learned from an early age to stick with powerful people. So when a boy appeared, prickly all over yet able to intimidate everyone around him, she resolutely became his sidekick, never noticing their relationship quietly changing...
Sirius & the rebellious junior sister from the immortal sect
Qiao Zhiwu, a Chinese cultivator, receives an acceptance letter from Hogwarts School of Witchcraft and Wizardry. Rebellious as ever, she defies her family's pleas and insists on going to school in Britain, where she meets the Marauders, who are just her kind of people...
Other storylines include Snape, Wood, Theodore, Harry, the Weasley Twins, Ron, Lupin, James, and more...
The content of this book is good. Currently it has only been updated to the third Tom's World. I would mind if the author makes each article a little longer.