I'd recommend 'Love Lock' - it has a possessive seme and the one-shot format keeps the story intense.
You could try 'Obsession Hearts'. The seme's possessiveness adds a lot of drama in the one-shot. It's got great art too.
One such manga could be 'Cruel Love'. It features a seme with those traits and has quite an intense storyline.
It really varies. Some seme characters are extremely possessive, while others show a more moderate level of possessiveness.
Possessive seme yaoi manga often features a dominant male character who is very protective and possessive of his partner. The relationship dynamics can be intense and passionate.
A possessive seme is often very protective and jealous. They might be overly controlling of their partner and show intense possessiveness in their actions and words.
Possessive BL manga often features intense emotions and a dominant partner. The possessive character might go to great lengths to keep the other close.
There's also 'Seven Days'. This one - shot is a sweet and simple love story between two boys. It shows how a simple week can change the relationship between two people and how they slowly fall in love with each other in a very natural way.
A possessive seme is typically characterized by being very clingy to their partner. They might be overly possessive of the uke's time and attention. Sometimes, this can even lead to conflicts in the story as the uke might feel smothered or want more independence.
The main characteristic is that they are standalone stories. Each one shot has its own unique plot and doesn't continue in subsequent issues.
You could also look at the works of well - known BL authors. Some authors are famous for their one - shot works. By following their bibliography, you can discover some excellent BL one - shots novels. For instance, if you like an author's multi - chapter work, chances are their one - shots are also great.
You might want to check out 'ZZZ'. The seme is not only dark but also has complex emotions and motivations that make the manga really interesting. The interactions between the characters are well-portrayed.