I have 2 challenges that must be only H/Hr :

First one requirements:

Remus dies in the ministry ,Sirius survives.

Harry calls Sirius on the mirror when he starts having feelings for Ginny.

Sirius asks Harry to meet up somewhere and to bring only Hermione with him and not be followed.

Sirius tells them they have been dosed with potions (love or jealousy potions or both);

Dumbledore , Molly, Ginny, Ron bashing

If Hermione parents are involved shouldn't be called Dan and Emma

Second one requirements:

Harry and Hermione leave Hogwarts to attend other school.

Bashing on wizarding world in Britain and Dumbledore , Molly, Ginny and Ron