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  • Lost Friends ( Iwaoi )
    41.5K 1.8K 43

    Two best friends separated due to certain circumstances were brought back due to just one single phone call. A call that changed everything! What happened in the end of "Just Friends" (iwaoi) is just the beginning of "Lost Friends" TOP RANKS : #1 Haikyuu love story #1 Haikyuu fan fiction #1 Iwaizumi x Oikawa #1 on...

    Mature
  • Jealousy (Iwaoi)
    209K 5.8K 15

    The whole team loves the ace Iwaizumi, some like him more than others. They're keeping their relationship secret and, though Oikawa is full of confidence, even he needs reassurance sometimes. Smut/mature content 18+ Completed

    Completed   Mature
  • Flashing Lights || Iwaoi
    31.3K 1.5K 30

    The most popular actors in Japan, Oikawa Tooru and Iwaizumi Hajime, both are straight I may add. They don't get along but that soon changed when the two were casted as the main characters of a BL series. Will they still hate each other by then? BEWARE BEFORE READING: R18+ topics May have triggering topics If I drop th...

    Completed   Mature
  • Every Little Glimpse Of You | Iwaoi!
    15.4K 840 10

    Iwaizumi Hajime lives in a world in which starting on your seventeenth birthday, you can see small glimpses of what your soulmate sees. contains: fluff, love, gayness (lowercase)

    Completed  
  • Set For Me (IwaOi)
    174K 7.3K 60

    My take on IwaOi. This is the cute, sweet, simple story of Iwaizumi Hajime and Oikawa Tooru, two friends trying to deal with their complicated feelings, and how they take their relationship until they graduate. all rights go to furudate haruichi-senseii~! lalalallalalala hq hq hq :) cover by okerii

  • spaces
    70.2K 4.8K 10

    [iwaoi fanfiction] it's harder to reach hajime, even though tooru tries. ▶ copyright © kaila 2016 /lowercase intended/

    Completed  
  • The Piano Man (Iwaoi)
    29.1K 1.1K 23

    Tooru Oikawa, at twenty-four years old, is hailed as one the greatest concert pianists of all time. So when he is forced by extenuating circumstances to give up his career as a pianist, he spirals into hopelessness and confusion. Then, the day after his last concert, he runs into Hajime Iwaizumi--the best friend and l...

    Mature
  • the boy next door iwaoi au
    491K 24.3K 17

    iwaizumi got himself a cheery, fun, light-hearted and charming new neighbor, oikawa tooru. and he just turned out to be the right companion iwaizumi hajime needed.

    Completed  
  • ✿Stay With Me - Iwaoi✿
    9.7K 313 8

    Oikawa Tooru, the famous setter in Aoba Johsai. His looks captivate many people, mainly girls, his personality making him seem like the best husband material. Everyone loves him. But, he would never love them back. Not only is he gay which pushes aside the girls, but there's another thing. What is that other thing? A...

  • ~Winter~ IwaOi
    78.7K 2K 23

    Oikawa thought Iwaizumi actually liked him back, after being in love with him for years. But when Iwa gets a new girlfriend, Oikawa falls into despair. Written in first person Yeah this is probably my favorite Haikyuu!! ship Also I love Yachi (not related to the story just wanted to say that)

    Completed  
  • Paper Hearts (IwaOi)
    698K 23.7K 45

    Iwaizumi got married to a girl and Oikawa was there to witness their wedding.

    Completed   Mature
  • Iwaoi- Why are You Doing This? Vampire Iwaizumi x Human Oikawa AU
    45.3K 1.6K 40

    Basically, Oikawa is abducted by Vampire!Iwa and is scared shitless. COVER IMAGE DOES NOT BELONG TO ME. Based loosely off of "May You Never Die Alone" by lillythechessie on AO3 (would 110% recommend you read^!!) also ignore how badly cropped the cover is- OOC WARNING BTW, THE CHARACTERS ARE ALL PROB GONNA BE PRETTY OU...

  • drawn to him ~ iwaoi
    28.4K 853 13

    oikawa is the schools heartbreaker and iwazumi knows what he wants. he gets amazing grades and his parents are one of the richest people. oikawa flirts with iwaizumi everyday. people think it's because he wants to get into iwaizumis pants that's partially true. but he genuinely likes iwazumi and wants to show him the...

    Completed   Mature
  • The Royal Secret - IWAOI Fanfic
    105K 5K 44

    Prince Hajime Iwaizumi has now celebrated his 18th birthday which means he is of age to choose a princess. Having no interest in choosing a wife, the King chooses for him. How will the prince handle his new princess.

    Completed   Mature
  • 𝐟𝐚𝐥𝐥𝐞𝐧 𝐚𝐧𝐠𝐞𝐥 ||𝐢𝐰𝐚𝐨𝐢||
    164K 11K 16

    a story in which oikawa tooru made a deal with the devil. a very handsome one as well. tw!! mentions of death. ©️hqheaven 2017

    Completed  
  • Thoughtography | IwaOi |
    60.9K 2.8K 21

    Whenever your soulmate is in deep thought about something, that thought tattoos on your wrist. When you kiss your soulmate, a heart shape tattoo appears. Hajime Iwaizumi and Tooru Oikawa had this imprinted into their brains since they were kids; that they would find someone perfect for them. Someone who completed them...

    Completed  
  • apricity/iwaoi
    11.4K 389 22

    Oikawa tooru, a homosexual college student is in love with his best friend iwaizumi Hajime who's "straight", how long will oikawa be able to endure seeing his beloved one with someone else The cover doesn't belong to me The characters don't belong to me, I own the plot and the constructions :) Current status : ongoing...

    Mature
  • Forced(Oikawa x Iwaizumi)
    164K 4.9K 48

    This is a au where Oikawa and Iwaizumi are both princes. But because they have to meet they are forced into a arranged marriage. (insert evil laugh here)XD I don't own Haikyuu!! or any characters just the plot and some people I made up. I also don't own any pictures I may end up using.

    Completed  
  • Friends [Iwaoi Fanfiction]
    210K 8K 30

    Friends or not? Iwaizumi and Oikawa struggle as their relationship seem to be confusing them. A fanfiction of iwaoi ('・ω・') Completed on 16 October, 2020 *The arts are not owned by me*

    Completed  
  • Just Friends ( Iwaoi )
    184K 6.7K 75

    As Iwaizumi came closer to room 103 he could hear Oikawa whining. "DO YOU KNOW HOW BAD IT HURTS?!?!" He continued "I think it's broken! I'll never be able to play again" he cried out. "Where is your doc-" "Tone it down crapbag." Oikawa was cut off by Iwaizumi. Oikawa felt chills run down his spine. Turning around slow...

    Completed   Mature