If you want a bad comic that gives you too much rollercoaster to a point where you don't know anymore, then Read Aitsu no Kanojo.
(Not on MD, it was purged)
Some people describe it as their worst manga that they have ever read.
(Not on MD, it was purged)
Some people describe it as their worst manga that they have ever read.
I don't even think cleaning gal even this bad