Yup, that feels like how it would go without Incubator running an experiment. Wasn't expecting the exact method, but with the sheer levels of trauma Homura displayed in this doujin, it was basically inevitable that she would kill herself for the slightest chance to be with Madoka again.
Then there's Mami and Kyoko who have no ability to even comprehend Homura's mental state, not realizing how badly she needs help.
