the heroine is very very creepy with her demands and threats. and the hero is somewhat less creepier (still creepy) too.
Don't corner an ox because it looks harmless. It was unexpected, intense and loved it
the obsessive part summarizes this 'If I can't have you, no one can have you' The main couple doesn't have the wish-washy obsession with each other, but the crushing consequences of one of the character's obsession precedes over the manga.
it was unexpected, but well-entertaining
same author as watashi no megane-kun (mangaka with extreme psychotic characters)
one of the side character's obsession does spin a series of unfortunate events
Mild Obsession, more passionate and are star-crossed lovers.
his obsession for her is both tragic and funny
One of the character's exact words "If I am to break this toy, I will break it with my own hands."
Obsession is subtle but the core of this manga.
Aku No Hana