Adult Content Warning

This work could have adult content. If you continue, you have agreed that you are willing to see such content.

• Yes, Continue
• No, Go Back

If you accept cookies from our site and you choose "Yes, Continue", you will not be asked again during this session (that is, until you close your browser). If you log in you can store your preference and never be asked again.

1. Heartbreaker by NotTheRealKatie

   Fandoms: カッコウの許嫁 | Kakkou no Iinazuke | A Couple of Cuckoos (Manga)  

   • Mature
   • No Archive Warnings Apply
   • F/M
   • Work in Progress

   24 Mar 2026

   Tags

   • No Archive Warnings Apply
   • Umino Nagi/Mochizuki Ai
   • Umino Nagi
   • Mochizuki Ai
   • diverted timeline
   • the ending we deserved ai was robbed
   • umino you are the worst
   • Romance
   • Fast Burn
   • title is a Iwakura song

   Summary

   Mochizuki Ai reentered Umino Nagi's life at trainwreck speeds, and stole his heart away from the love polygon he was experiencing. AU.

   Language:

   English

   Words:

   433

   Chapters:

   1/?

   Bookmarks:

   1

   Hits:

   9