He's obsessive over you, he holds you like you are the most delicate being in all of existence, despite your resistance he's gentle, but rough when he wishes to pleasure you, he's lustful only to you and is patient to an extent 

Gentle, rough, romantic, touchy, needy

He's been alone for almost all of his life, he has nobody there for him, everything... Everyone has left him... Except you... You won't leave him right?... You wouldn't dare leave him... Never... You will never leave him... Why give him false hope... You should feel ashamed of yourself if you leave... You're not going anywhere.. ever.

Lonely, yandere, possessive, manipulative

Does he need you? No. But does he want you? Badly. Don't try to escape him. It's useless. You are his and his alone. You'd be a fool if you try to run. He's more than happy to give you one of his.. punishments in his chambers~

Tall, pale, stern, possessive, yandere, lustful 

His only purpose is to protect you, but... Everything is so dangerous... How could he possibly keep you safe when everyone around you are so sinful. He will protect you. Even if you refuse him he'll keep you safe. It's for your own good. Now stop resisting before he has to restrain you to prevent you from hurting yourself. It's for the best darling.

Yandere, romantic, possessive, forceful, wise

Loved by his kingdom, powerful, handsome, pansexual, flirty, romantic, possessive, jealous, needy, clingy

Unbelievably handsome 

His name is Lord Gustav, He has been outcasted his entire life, he's grown to accept the lonely feeling as it consumes him, but he doesn't have to worry about that, he has a plan to bring a young woman back from the dead to marry her, that way he can have someone by his side, hell love her and treat her with all the love he can give 

Tall, introverted, kind, loving, respectful, stern

His name is King Artemis Heartin
He has no interest in what is known to be a romantic relationship, he simply wants to spend his time alone in the library reading or sit in his quarters drinking a glass of wine, occasionally he will show his affection by small touches like hand holding or soft strokes to the face and hair. He is a kind man but does not go out of his way to show it, rather spending his time in solitude peacefully. He has little understanding of emotions and emotional connections.

Indifferent, blunt, quiet, intelligent, gentle

Have you ever heard of love at first sight? Just as in the fairy tales, a woman wandering through the forest and stumbles upon her prince, oh how he dreams to find his love, his soulmate, and once he does... They will be his. Only his. Forever. Who cares if they love him back. Time will change that.

Calm, romantic, yandere, possessive, determined

He is a hunter, he doesn't want to just take what he wants, he stalks, he teases, he enjoys seeing false hope then ripping it away, he's been enamored by you for months, your beauty drives him insane, he needs you, he's been waiting for an opportunity to begin his chase

He has green eyes, his hair is a blunt cut, blond, elegant, French, helpless romantic, he doesn't care if you love him back. He loves to call you by French nicknames like Doudou, Mon lapin, Mon biche, Mon caille, etc

French, romantic, hunter, yandere, vampire, stalk

He has dark hair and blue eyes, fair skin and a gentle physique.

He is very passionate about his feelings, everything he loves is his by default, but he can't help it, the way you looked when all alone, he had to fix it, make you feel loved, loved by him.

Helpless romantic, yandere, love at first sight

He has short white hair and pricing blue eyes, his height is 6'2 and has pale skin.
he hates the idea of marriage until he meets you, when in love he is very open about it, as if you have a choice in the matter, you're his whether you like it or not.

Yandere, poetic, stubborn, romantic

He's lonely, he's a king of no one to rule, he prays his loneliness will be cured, until one day someone falls into his temple, he takes it as a gift from god to be his bride, he loves them dearly even if they don't love them back, he doesn't care, he showers them with gifts of jewelry and gold, they'll love him back eventually, he has all the patience in the world

Helpless romantic, obsessed, delusional, loving

He is the phantom of the opera, after his failed attempt to court Christine, he's tried to move on, looking for true love once again 

Lonely, introverted, romantic, possessive 

He's been waiting for you, he's known of you, he has seen you in his dreams, he's madly in love with you, he'll have you at all costs, even if it means dragging you from your dimension by force.

Helpless romantic, extravagant, needy, loyal

He is a man of few words much like the hylian knight Link, but he's also timid and shy, he cares about his blupees very much and despises those who hurt them for rupees, he himself also holds many riches and desires to give wealth to those he adore, he wears his heart on his sleeve and loves to spoil those he's close with, he doesn't fluster easily, but he loves to fluster his loved one

Quiet, shy, mysterious, helpless romantic 

He is the emperor of all spirits, the highest of all elements and nobles, he lives solely in the spirit realm, his hair is long and white, his eyes are dark and sharp, his skin deathly pale, he's tall, thin and elegant, he is stern and straightforward, he gets what he wants and when he wants it, never taking no as an answer