YuuNoa

Yuunoa is the Het ship between Shinoa Hīragi and Yūichirō Hyakuya from the Seraph of the End fandom.

Canon
Shinoa and Yuichiro first meet in Chapter 2, Shinoa was supposed to see over Yuichiro to see if he makes Friends. Yuichiro and Shinoa then quickly become Friends and are seen to get along good, even tough Yuichiro seemed annoyed by her teasing.

Shinoa tells Yuichiro that his Uniform looks good on him, which he responds too "Well...It looks good on you too". Then later, Shinoa thanks Yuchirio for saving saving the Team, which he is seen to be flustered about. At the end of Chapter 13, Yuichiro sees Shinoa being bitten by a Vampire, which somewhat helps to activate his Seraph form. Guren then tells Shinoa to embrace Yuichirio, which she does and so helps Yuichiro to come back to his senses. Shinoa goes confronting Guren  and asking him what he has done to Yuichiro. Guren asks her if she has fallen in love with Yuchirio, which she seemed very flustered about.

Shinoa goes to see Yuichiro who is sleeping and says to herself "Haha, Fell in love? no way." , she then blushes and says "But still... open your Eyes soon. Yuu". When Yuichiro then woke up, he and Shinoa talked a little and then he notices her Wound and touches the Wound, what causes Shinoa too blush.

At the beginning of Chapter 18, Shinoa goes to talk with Yuichiro on the roof and Yuichiro asks her to help him out, to get Mikeala back. Yuichiro then gives her his Hand. Guren then comes on the roof and says "Holding hands on your Date?", Shinoa seemed to be very flustered about Gurens statement.

When Guren confronts Shinoa for being too late to the meeting of the Imperal Demon army, Yuichiro says it was his fault and that he wants to be punished instead, which suprises Shinoa. Shinoa apologizes to Yuichiro too which he responds too that they are a Family and she shouldn't worry about it.

During Chapter 66 and 67, Shinoa is shown to talk to her Demon Shikama Doji about her Desires. Shikama Doji says says to her that shes in "love" and that when shes watching Yuichiro, she feels her Heart racing. Shinoa then asks herself in her mind "The reason to life on....please tell me, Yuu-san"

Mahiru, Shinoa's sister is shown( Shinoa can't see or hear her) to asks her, with whom she wants to do "it" with and Shinoa is shown to watch and smile at Yuichiro.

When Guren told Yuichiro that Shinoa was possessed he quickly was lossened his chains and was visiting Shinoa to check if shes alright. During the the Battle between Shikama Doji and Yuchirio

Fanon
Yuunoa is one of the most popular ships in the Seraph of the End fandom, it's main rival ships are MikaYuu and Shinsuba and in rare cases the Yuumitsu ship.

The Fandom is in sort of a ship war between Mikayuu and Yuunoa.

the Yuunoa ship has received mixed feedback, a lot of peole in the fandom like the ship but on the other hand a lot of people dislike the ship because they think Shinoa's feelings are too One-sided, the ship is forced or like to ship Shinsuba and Mikayuu instead.

On Ao3 it's the 9th most written ship for Seraph of the End. It's the 2th most written ship for Yūichirō and as well the 2th most written ship for Shinoa.

Fandom
Fan Fiction

Trivia

 * Shinoa likes to tease Yūichirō, which usually annyos him.
 * Shinoa usually calls Yūichirō by the nickname "Yu-san".
 * Shinoa and Yuichiro are part of the same Team, the "Shinoa sqaud"