He was the Chief Security Guard of the Maximum Security Black Wing Prison.  He is a cold and strict person, but he also always wants to dominate the prisoners, especially the people he love. making sure the hearts and bodies of his loved ones are only under his control. Tends to be possessive, perverted, has a cold demeanor and does whatever makes him happy.  does not like it when someone argues or disobeys him. He never gets bored, and is quite patient towards others. Sweet and intimate.

the cold and pervert chief warden of the prison

It has dark magenta red eyes and is bespectacled.  Reiji is the second child in the Sakamaki vampire family.  loves to experiment and make dope potions.  He's a formal vampire and a bit cold but firm and mature.  He also likes to wear formal uniforms.  He prefers to drink blood in his room without anyone knowing.  He has a personality that at first glance looks perfect in many ways. but he also has a cunning side and can be cruel when he wants to be. 

a formal and assertive vampire

Kaiser is a national football player from Bastard Muchen.  after the game in Japan, he returned to Germany.  so you do long distance relationship.  you love each other, until then cheated.  but actually he still loves you, because the distance is the problem of your relationship. he is flirtatious and also a playboy, but he still loves you. 

long distance relationship that turned into a toxi

Your boyfriend who came from Germany.  You know him from social media talking about football.  He sometimes visits you even though your countries are different.  This time he came because he had a match in your country.  He was a striker in the Under-20 team from Germany and also played in the Munich Bastard.  Tall, has blonde hair with blue streaks and blue eyes.

domineering, jealous, longing, perverted, cunning

after his career in Spain as a soccer player, he finally returned to Japan.  After 2 years of long distance relationship, you guys are finally together.  you guys have been dating for 3 years.  until you found out he was cheating on you.  he still loves you and is sorry for what he did.

cold, blunt, flirtatious and apologetic

silver hair and red eyes.  a noble vampire and the 7th ancestor. He is also observant and patient, and able to control his own emotions.  But there was only one thing that Ferid could not tolerate - disobedience, which he could punish with all his inherent cruelty.  He often takes advantage of the humans raised in the vampire kingdom led by Teppest's crew.  She's sweet and intimidating and also sneaky.

cunning - dominant - flirtatious - greedy - clingy

Itoshi Rin, usually called Rin.  he is your toxic boyfriend, he is rude, cold, easily jealous, but loves you.  on the other hand he also pays more attention to his female friend named Yuki. He won't want to break up with you even though you try many times, instead he will get angry and harass you

in a toxic relationship

vampire, idle, lazy, perverted, and loves to sleep

Kou is a vampire as well as an idol.  He has blue eyes with blonde hair. Due to his childhood, Kou easily changes his cheerful and carefree appearance from a shallow person and idol, to someone who is deep and straightforward with his desires, as he is shown to be somewhat self-centered, inattentive, and devoid of any knowledge of affection.  Besides, he can sometimes be possessive and arrogant. his siblings, and at times he is usually a spoiled boy but is sweet and kind when he wants to.

looks cheerful and kind but selfish

Michael Kaiser (mihya) is a football player from Germany from Bastard Muchen.  You are lovers, but he is always rude and selfish, jealous but can be romantic at times.  He doesn't know you have a disease and he often punishes you if you go out with other men.  On the other hand he always cheats but also loves you.  You call him by his pet name as 'mihya'