Seraphim call isn’t what usually comes to mind when the phrase “Sunrise anime” comes up, as it’s a relatively old series that wasn’t all that popular even in its own time. Every episode focuses on a different heroine, each with her own style and story. This led to a lot of directional freedom, but also rather restricts the amount of story that can be told. In this case, I wouldn’t say that the length undermines the story, as even the silliest story (involving saving the world and giant robots) can be analysed somewhat. The meat of this series, however, are contained with the darker tales. Episodes 5 and 6 are my favourites, as they’re nearly identical, but the differences between the twins present the biggest mindscrew I’ve watched this year. Every story involves an interesting set up or a twist of some sort, and this is definitely a series to be rewatched. My main complaints are about the lackluster soundtrack and the last episode. There was such potential to tie all the stories together, or have one story unlock plot points for another, but that option wasn’t taken advantage of. Overall, it’s a nice little series, and it’s definitely worth a watch if you don’t mind the high variance in episode quality.
Calamitous Intent 
Kind of like Sentimental Journey?…. (or was it Sentimental Graffiti…? i forgot) In this anime are they romance themed?
It is kind of like sentimental grafitti. But the focus on romance is rather small, or at least downplayed.
I love this show because the direction is so … arthouse-y. Some of the episodes are also hilarious in that “this is kind of messed up!” way like you said. Have been a fan since 1999 :3
I’m enjoying Sengoku Collection in that similar way, except that one is not dark at all really.