^^^ Sure it isn't. Put idealized and eroticized art that purposefully excludes disgusting real life issues associated with these situations sure can be.
it seems that girl/girl relationships are tolerated...or not?
Since it's a military setting I would not be surprised about strict "no relationships and displays of affection allowed"-rules and girls having to do it discreetly and out of sight.
This is surely just part of great Satanichia's master plan of corrupting Raphiel into sin of lust by allowing herself be defiled. It surely s. No doubt about that. At all.