Anubituf and Guragief, past—as sybillae—and present, in Simoun eyecatches.

The first two eyecatches are from episode 22, one which gives them a bit more focus.

Friend on Twitter (yes, I know), comments:

'we were both girls who had feelings for each other tht we failed to cope with and now we are men who still fail to cope with the feelings we have for each other' is basically the biggest brained approach to yaoi to ever exist