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1. Undercover Hearts by Cuteleelee

   Fandoms: 언더커버 하이스쿨 | Undercover High School (TV)  

   • Mature
   • Creator Chose Not To Use Archive Warnings
   • F/M
   • Complete Work

   27 Apr 2025

   Tags

   • Creator Chose Not To Use Archive Warnings
   • Jeong Hae Seong/Oh Su A
   • Jeong Hae Seong
   • Oh Su A
   • Seo Kangjoon
   • Jin Kijoo
   • Slow Burn
   • Married Couple
   • Childhood Friends
   • Fluff
   • Domestic Fluff

   Summary

   First came the mission, then came the wedding...now it's late night stakeouts, love battles, and endless teasing

   Language:

   English

   Words:

   24,760

   Chapters:

   22/22

   Comments:

   64

   Kudos:

   151

   Bookmarks:

   6

   Hits:

   1,670