Minamoto Brothers

TeruKou is the family ship between Minamoto Teru and Minamoto Kou from the Toilet-bound Hanako-kun fandom.

Canon
Teru and Kou are incredibly close and care about each other a lot. Kou looks up to Teru and often brings up how he wants to be 'just like him.'

Chapter 9 of the Manga, The Young Exorcist Arc, dives into the background of Teru and Kou from when the were younger. The scene starts off with an eight-year-old Teru exorcizing a spirit, with people whispering about his skill in the background. Kou comes running out from a bush after it is safe and hugs Teru, exclaiming how awesome he was. Teru expresses concern, and tells Kou that he told him to stay home, but Kou doesn't listen and instead tells him how he's 'going to be just like him one day.' Teru then pats him on the head and tells him he'll be looking forward to it.

A few moments later into the chapter, While Nene is fantasizing about Teru, the man himself walks up behind her and startles her. He then says he had been looking for Kou after Kou runs up to him. He pulls Kou aside saying that they need to talk. Their talk consists of Teru being disappointed in Kou for not expelling Hanako or any of the other Seven Mysteries. Kou tries to convince him that he doesn't see Hanako as a bad supernatural, and Teru darkly tells him that there is 'no such thing as a good supernatural.' Kou soon convinces him to give him more time after Teru tells him he's taking him off the case.

Kou spends the rest of the chapter scouting out Hanako for evil behaviour so he won't disappoint Teru. After Hanako goes out of his way to retrieve Kou's missing traffic-safety earring, Kou tells Hanako that there is such a thing as a good supernatural. Hanako then threatens Kou with a knife, asking him why he would want to spare a murderer. Teru then comes in and saves Kou. Teru and Hanako go on to fight, and Kou has a small monologue about how he'll never be like Teru. It ends with Teru slicing Kou's hand with a blade on accident while he was saving Hanako. Teru stresses that Kou is bleeding, and Kou yells at him to stop treating him like an idiot.

In Chapter 59, Semester Exams, Kou asks Teru to check his work for him. Teru tells him to keep trying. Later in the chapter, Teru tells Akane that when Kou comes to him for help in the future, he wants him to be there for him, going on to be more specific and saying that he wants him to use all the powers that he has to assist him and protect him.

In Chapter 79, The Red House (Part 4), Teru stresses to Akane about how Kou has asked him what he would do if he became a supernatural. Teru was absolutely stunned when he asked.

In the Spin-Off Manga, After School Boy Hanako-kun, Kou tries to get Teru and Nene together, despite Kou's crush on Nene.

Still in the Spin-Off Manga, Kou becomes temporarily evil for a day. While in this evil state, he calls Teru an idiot, causing him to (figuratively) turn to stone and crack.

In one of the bonus mangas, Kou asks Teru what he would do if he turned into a zombie. Teru replies that he would purposefully get bitten so they could 'destroy humanity' together.

Quotes
"Stop treating me like an idiot!! I know I'm weak! And I'm a lot stupider than you! But It's not true that I don't have to think about anything!! I can figure out that much!! ...You're right, I know next to nothing about him. And I think...it was totally wrong of me to decide whether he was good or bad before I knew more. But exorcizing all the supernaturals just because "supernaturals are dangerous"...I just...I think there's something wrong with that... It's gonna take some time...I'm gonna get stronger, just like you, Teru-nii."

- Minamoto Kou to Teru, Chapter 9

"And, since I won...I have a favor to ask you, Aoi. My brother will likely be coming to you for help in the near future. When he does, I want you to be there for him, okay? Specifically...I want you to use all the powers you have...to assist him...and protect him."

- Minamoto Teru to Akane, Chapter 59

Fanon
This ship is a familyship, therefore nearly no one ships it romantically but instead platonically. For a romantic pairing, people tend to ship Mitsukou, Hanakou or Kounene for Kou and Terukane or TeruAoi for Teru. Teru cares deeply for Kou and is able to look past exorcizing Hanako for him, 'just this once.' He has only ever accepted sparing one other supernatural, and that was Minamoto Fairy, Minamoto Tiara's pet Mokke. The two currently have 71+ works on AO3.

Fandom
FAN FICTION

WIKIS
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Trivia

 * In the 'The Three Clock Keepers Arc,' Kou's time is fast-forwarded and it is revealed he will resemble Teru a lot when he's older.

Variations

 * Minamoto Clan refers to the ship between the two and Minamoto Tiara