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  • Seido's Lovely Manager (Miyuki Kazuya x Female OC)
    67.9K 2.9K 85

    Kobayashi Emi is Karasuno's third manager, however, due to her parents job, she had to move all the way from Miyagi to Tokyo. Emi then embarks on a journey of being a basebal managers and meets Miyuki Kazuya, the famous cocky catcher, and where she makes new friendships. The story begins on Haikyuu's second season up...

  • 一番 (Number One)
    8.1K 350 12

    This is a Haikyuu x Diamond no Ace crossover, but focusing on the Diamond no Ace. A girl who has Tōru as her older brother, but just by the title. A girl who dreamt of going to Inashiro so she could go to Koshien. A girl who wanted to catch for a certain boy named Narumiya Mei. And a girl who had to find out that ever...

  • The Demon Batter
    91.3K 2.4K 35

    Yuji Sawamura is a young man who is lively, caustic, and serious. Despite having a difficult upbringing, the man is focused on more important pursuits, like baseball. After receiving an invitation for the Sawamura twins both to play baseball in Tokyo at Seidou, Yuji made the decision to accompany his brother. How Yuj...

  • Forbidden Protege
    88.7K 3.6K 57

    Precision pitch control, an aggressive playing style, and the mental fortitude to match. Stamina for days, adaptable and reliable batting skills, and natural leadership abilities. "Too bad all of that talent is wasted on a girl. You'll never make it pro." And the stubbornness to prove them wrong. Add in a dash of sail...

  • Devilish (Diamond no Ace)
    28.3K 1.2K 21

    "Have you heard? Seidou's got a witch coaching them now!" "Hah?! A witch?!" "That's wrong. That woman can't even be compared to a witch... she's the devil." (Slight!One Outs and Eyeshield 21 crossover) Reminder: This is a fanfiction I only own my OC and not any characters or content from One Outs, Eyeshield 21, or Dia...

  • Imperfect Romance
    26.2K 611 25

    Miyuki Kazuya didn't have time for a high school romance. Neither did intelligent, popular, and hard-working student Yukimura Ai. Their arrangement was supposed to be easy; A way to kill time. There were not supposed to be any feelings involved. They were both equally broken. Emotionally defective. They knew there wer...

    Completed   Mature
  • The other Sawamura....
    367K 9.7K 62

    What happens if Eijun Sawamura had a twin sister? Meet fifteen year old Hikaru Sawamura, ace batter and right fielder for Akagi Junior High School. There is just one small problem....Hikaru is always mistaken for a boy, but she is a girl. However, when Rei Takashima comes and offers her brother a scholarship and by so...

    Completed  
  • The Furuya Twins
    67.4K 2K 31

    The story of Furuya Satoru and his twin sister, Satomi. Furuya has always been a little introverted, but his sister is his opposite. She is outgoing and sarcastic, and a devil of a baseball manager (at least, according to Furuya's Junior high team). How will these characters adapt to Seido? Who should be more afraid:...

  • 𝐛𝐚𝐬𝐞𝐛𝐚𝐥𝐥 𝐠𝐞𝐧𝐢𝐮𝐬 - ᵈᵃⁱʸᵃ ⁿᵒ ᵃᶜᵉ
    101K 3K 44

    Sawamura Eirin is Sawamura Eijun's younger twin sister. She once was an amazing baseball player, extremely outgoing but after an incident left her arm shattered, she left the baseball field in fear. Eijun gets scouted for Seidou, and there is a chance for her arm to be fully healed. Eirin goes with her brother to Toky...

  • "Show Me the Real You" (Diamond no Ace fanfiction)
    29.8K 786 18

    on hiatus ••• Sawamura Akira, The younger twin of Sawamura Eijun. The wild card, The one nobody could control. Can somebody tame him? ••• Miyuki Kazuya x Male OC DIAMOND NO ACE DOES NOT BELONG TO ME, ONLY SAWAMURA AKIRA (+some other characters who I can't reveal) AND SOME OF THE CHANGES AND TWISTS I MADE IN THE STORY...

    Mature