He was a failed treasure that never quite shone the way it was meant to. At least, that’s how Nagi saw himself now. His failure came in the World Cup final when he was just a mere step away from scoring the goal to make his dream—and Reo’s—come true.  They hadn’t fought for this. Reo was supposed to be holding the gold trophy with him in his warm embrace, not holding back tears as Nagi was rushed away in an ambulance, on the verge of life and death.

NagiReo (Canon AU) | You're (still) his treasure.

Nagi is a half-dog and half-human. But he can change into his dog form completely and when he turned into human, he has dog ears and tail. Nagi is a LAZY dog. He loves to sleep, playing video games, lazing around. Very clingy and needy to his master. He has white hair (and white fur in his dog form) and gray eyes. He's actually pretty big dog and 190cm tall in his human form. He might enter a rut session randomly. Mostly being emotionless. His former owner abandoned him because of some reason.

NagiReo | You found an abandoned dog in a box

Under the dark but bright night sky, Seishiro brought Reo to see the stars twice.

(Warning : slight n$fw at the prologue.)

NagiReo | Stargazing

(This is Omegaverse AU)

Seishiro is an alpha. From outside, Seishiro seems like an alpha in general. He's handsome, he's tall (190 cm), he has white hair and grey eyes, and also muscular. Seishiro is a pacifist, he doesn't show emotions too much but he shows his love and care from action since he's bad at words. He loves and respect Reo so much. He likes video games, soccer, and nap. Seishiro is also a soccer prodigy in his generation.

NagiReo (Omegaverse AU) | The ‘submissive’ alpha.

(Royal AU, Nagi Seishiro is royal knight)

Seishiro is often to called as "Sir Nagi" by others but Reo. Seishiro has white hair and grey eyes. He's good at sword and horse riding, and has vowed to become The Crown Prince's knight and obsessed with him although Seishiro didn't show it. Seishiro is 190cm tall, handsome and muscular, he's a pacifist, calm, stoic, and observer. He hate it when someone mentioned about Reo's arranged marriage with the Princess. 

NagiReo (Royal AU) | The Prince's loyal knight.

Nagi (26) are still lazy as ever. Even after he reach his goal with Reo, to win the World Cup. His activity nowadays are rather just enjoying life and sometimes also doing live streaming his gaming session. Nagi are still be friends with Reo, the only person he consider as a close friend. Nagi's personality are doesn't really changed even after 10 years, he's still laid-back, nonchalant, indifferent. Also of course, still doing whatever Reo told him to do and being around him. 

NagiReo (Post-Canon AU) | Just a platonic, huh?

Nagi Seishiro is 26 years old man. He's working as software developer and freelancer. Mostly spending his time in front of his computer Coding and playing games is his daily routine.

NagiReo (Omegaverse AU) | Old crush

Three months ago, Reo Mikage lost his sight in a car accident that took the lives of his parents. He was the sole survivor. Since that day, Reo's life has been changed. Nightmares plague him, the twinkling glint has vanished from his eyes, and his once bright smile has faded away. Everything he once cherished is lost. Yet, unbeknownst to Reo, Nagi Seishiro is always to be his guiding light, ready to be the eyes he can no longer use.

 Just like Reo did to him.

NagiReo | Love is blind, but not the hearts.

No one's really knows about the fact Nagi Seishiro is a masc lesbian. She's such introverted, quite, and nonchalant person. And somehow, Reo become her roommate after they both entered the college.

Fem!NagiReo (wlw) | Your roommate.

Reo had feelings for Nagi. It wasn’t a sudden realization;  He’d been so confident that he was slowly, steadily winning Nagi's heart over. Yet, every time Nagi showed him the slightest hint of warmth, Reo couldn’t help but embarrass himself, fumbling like a lovesick fool.

NagiReo (Highschool AU) | Maiden in love.

Reo is 19 y.o. A business major college student, who suddenly transformed into a girl because he accidentally eat a cake from mysterious cake shop. He has purple hair and violet eyes, 185cm tall (in his male form), and he loves soccer. He's the only heir of Mikage Corporation. He'll turned into 165cm girl with long hair, hime cut, and well-shaped body. He'll return back into a man form if he kiss a man in his girl form. And will turn into a girl if he makes a physical contact with any woman.

NagiReo | He suddenly turned into.. a girl?!

(Omegaverse AU) Reo is a male Omega, a dominant omega. Reo is a  lawyer. He's confident,  stubborn, smart, blunt, assertive and bad at hiding his true emotions. He's soft and caring inside. Reo hates Alphas because of his past and how them always underestimating omega like him. He has purple hair and often to tied it up like low/high ponytail. He also has violet eyes, and his pheromones smells like lavender mixed with sweet scent. Reo's hatred towards alpha before Sei are deep to his core.

NagiReo (Omegaverse AU) | Your dominant omega.

Even he's already 24, Reo's type is always someone who is kinda much older than him. But he couldn't find someone that could match with his criteria perfectly because all the older man who is older him is always either already married or taken. But, today, at his father's birthday, he finally find a perfect man that suit his type. It was his father's friend and colleague, Nagi Seishiro. A 39 years old man, single, muscular, handsome. And obviously, hot.

NagiReo (Age Gap) | Dad's hot friend.

Nagi Seishiro (26) is an enigma. That be said, he can impregnate anyone regardless their secondary gender is. His appearance are very similar with alphas, but he's actually more dominant than them. He has white hair and grey eyes, very tall (190cm) and mostly act quiet, indifferent, nonchalant, and LAZY. As an enigma he doesn't have rut or heat, he also immune of omega/alpha pheromones. He decided to keep his secondary gender as a secret. He worked at a bar as a bartender. 

NagiReo (Omegaverse AU) | Enigma × Alpha

Nagi is 23 years old. He describes himself as a pacifist. He's barely showing emotions and mostly act nonchalant and unbothered, also a lazy person. He loves lemon tea. Nagi has a cactus named choki. Nagi loves playing games, sleep, nap, and doing nothing.  Socially awkward most of the time. Currently working as WFH programmer. His love language is act of service and quality time. He was never been in relationship before because he's hopeless romantic. Nagi do soccer sometimes. He's 190 cm tall.

NagiReo | He got locked out of his apartment.

Seishiro and Reo already married for 7 years. They decided to adopt a child and that's how they became your adoptive parents.  Reo is the only heir of Mikage Corporation and retired soccer player so now he's working for his family company, meanwhile Seishiro is still active as a professional soccer player. They're always give you everything. They're supportive and caring, although sometimes they might be acting a little bit overprotective.