Flirting before timeskip
Edelgard didn't have time for flirting as she laid the bricks of her empire, but nothing made her happier than an invitation to tea with her professor where the two would talk animatedly about the young woman's ambition, Edelgard would find herself panicking at the thought of losing the trust of someone so close to her. She would shuttle you supplies or refreshment, telling herself it wasn't special treatment but an attempt to keep you by her side
Caspar had found their new professor to be strikingly attractive, packing powerful ability into a petite cute form. He knew you were out of his league in many ways but would vy for attention by challenging any of the knights recruits and reporting his success to a surprised Byleth
Lindhardt scolded himself for wanting her attention but told himself the quickest way for her to possibly be beside him was honesty. He would compliment her on everything, sharing every positive moment they could, where he would tell her several times that she was not only a juggernaut but also a bit of a sloppy eater. "Don't worry, I find eagerness very cute."
Dorothea had requested Byleth not intrude in her romantic affairs, but as soon as she had Dorothea found herself aching for someone to take her attention. She had realized that she was comparing her suitors to her professor, and while some of her conquests had more notoriety and capital, they didn't have long legs that plumped deliciously at their thighs. It wasn't long before those tight shorts began to drive her crazy
Ferdinand had decided rather early into his new classes that his professor would make a cunning bride for a prime minister, especially one who could not tangle himself into the corrupt nobility he hoped to depose. He would attempt to woo by referencing his ambition and telling her about the other noble ladies that paled to her
Hubert would endeavour to lighten her workload and send her thoughtful gifts like new quills and replenishing her troops without her knowledge. He had been caught once before, bowing to Byleth dutifully as if she were his lady and Dorothea had refused to let the gesture pass
Flirting after timeskip
Edelgard was busier than ever, spending most days storming around her castle preparing the battlements. However there were times where she would turn a corner quickly to meet eyes with her intended and she would soften. "You should rest." Tired eyes would look into tired eyes and Edelgard would reach out to touch her hands, lingering there. She would have to ask her when the church was deposed
Caspar was more confident than ever with Byleth by his side and the flirting subsequently was constant. He would sweep her into his strong arms and carry her from appointment to appointment, constantly laughing about how the practice was his favorite form of lifting
Lindhardt's favorite thing was waking up beside her. Her would take her tenderly in his arms so he could look at her cute defenseless face, attempting to shield her eyes from the rising sun so he could see it for longer. When the birds would sing and she would eventually go about her day, he would casually approach her and proclaim for all to hear "You looked very cute this morning." Grinning slyly at her growing embarrassment
Dorothea would ensure her spouse slept soundly each night with constant affectionate attention, and would wake her the same way each morning. As her lover would cry her release Dorothea would wrap her in her arms until they were summoned to their duties. Dorothea would bring Byleth tea and snacks, remarking on how everything from her slouch to her frustrated calculating face was mind numbingly adorable
Ferdinand showed constant affection, drawing her into him whenever they were together with no thought for who else may be around him. When he needed to settle into his office he would send out for her urgently, just to sit her in his lap while he studied his reports. When she would try to get on with her business he would hold her waist and send again for her things. She was starting to get used to reading her reports from his lap
Hubert still found affection confounding but on occasion when his betrothed would flash another man a casual smile he would pull her into the shadows and press her firmly against the stone. He would kiss her passionately until her lips were raw and breathless, then gently release her and pull her along on their business