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1. The butterfly effect by Anonymous

   Fandoms: 僕の心のヤバイやつ | Boku no Kokoro no Yabai Yatsu | The Dangers in my Heart (Manga)  

   • Explicit
   • Underage Sex
   • F/M
   • Work in Progress

   30 Oct 2025

   Tags

   • Underage Sex
   • Ichikawa Kyoutarou/Yamada Anna
   • Ichikawa Kyoutarou
   • Yamada Anna
   • Ichikawa Kana
   • Kobayashi Chihiro (BokuYaba)
   • Sekine Moeko
   • Teen Pregnancy
   • Romance
   • Explicit Sexual Content
   • Consensual Sex
   • Vaginal Sex
   • Regret
   • Shame
   • Alternate Universe - Canon Divergence
   • Butterfly Effect
   • Responsibility
   • Embarrassment
   • Horny Teenagers
   • Established Relationship
   • Angst with a Happy Ending
   • Family Drama
   • Lust
   • Puberty
   • Dirty Thoughts

   Summary

   Even a small change in events can lead to severe consequences. When the couple gets shocking news, how will the both of them manage?

   Language:

   English

   Words:

   13,929

   Chapters:

   12/?

   Collections:

   1

   Comments:

   2

   Kudos:

   19

   Bookmarks:

   1

   Hits:

   480