Author Information
Oku Tamamushi's Latest Book

Newest Release

  • Bibliography:
    10 Books
  • First Book:
    August 2023
  • Latest Book:
    December 2025
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Book List in Order: 10 titles



  • In her final days of high school, Mei Soraike tried to confess her love to her best friend only to have her hopes crushed. A little heartbreak is fine, though -- because she’ll absolutely, definitely, undoubtedly get a girlfriend in college! And as...



  • When Arisa loses her memories from the past three years, her girlfriend, Mari, worries it might mean the end of their budding relationship. A needless concern, it turns out, because when Arisa lays eyes on her, she falls in love all over again! Arisa...



  • When Mei Soraike entered college determined to get a girlfriend, she never imagined she’d wind up with five beautiful girls all vying for her affection! Still unsure which of her potential suitors is a keeper, Mei is suddenly hit with a straight-up...



  • No matter how upbeat Arisa is about her amnesia, losing her memories has brought its share of problems. She can’t remember her girlfriend Mari’s favorite foods, the anniversary of their first date, and -- most important of all -- what they got up...



  • Despite a successful trip that brings her and Arisa closer, Mari still has questions on her mind. What exactly caused Arisa’s amnesia, and what if it happens again? As Mari worries, Arisa herself is busy enjoying their lovey-dovey days together in ...



  • Arisa and Mari are finally getting married! Given the possible cause of Arisa’s amnesia, though, Mari’s concerned her bride-to-be might faint during the ceremony -- or even lose her memories again. And preparing for their big day isn’t the only...



  • The wedding ceremony is finally here, and Mari and Arisa are about to seal their vows with a kiss…until a certain sight causes Arisa’s memories to come flooding back! From Arisa’s student days to the inspiration behind Mari’s career -- not to...



  • Arisa’s memories with Mari have returned at last -- or at least some of them did -- and the two are now married! In this romantic final volume, the pair enjoy their life together as newlyweds and all the happy moments that come with it. Whether she...



  • With so many gorgeous women pursuing her, Mei can barely keep up! And if her tender heart being pulled every which way wasn’t enough, she’s somehow been roped into taking the lead role in an upcoming play, despite having zero acting exper...






  • Though Mei Soraike entered college dead set on finding a girlfriend, she’s been getting a little more attention than she can handle! Especially from Karin, who officially confessed to her after their play went off without a hitch. Mei is ecstat...


Frequently Asked Questions (FAQ)

Oku Tamamushi has published 10 books.

The next book by Oku Tamamushi, I Don't Know Which Is Love, Vol. 4, will be published in December 2025.

The first book by Oku Tamamushi, I Don't Know Which Is Love, Vol. 1, was published in August 2023.

No. Oku Tamamushi does not write books in series.