Imagine thinking that there was going to be progress before we get the inevitable "Hana meets Shinichi's kid sister and has a huge misunderstanding" arc.
I'm not sure if the art quality began to fall apart first, or if the writing did.
Either way, the bad art and the now nonsensical plot are complimenting each other.
I think it is probably safe to assume the group that was working on this has dropped the series. Going off of their upload history, I think its safe to assume they lost interest in it.