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1. When Our Worlds Collide by KasumitanArt

   Fandoms: 怪獣８号 | Kaiju No. 8 (Manga), 怪獣８号 | Kaiju No. 8 (Anime)  

   • Explicit
   • No Archive Warnings Apply
   • M/M
   • Complete Work

   31 Aug 2026

   Tags

   • No Archive Warnings Apply
   • Hoshina Soushirou/Narumi Gen
   • Hoshina Soushirou
   • Narumi Gen
   • Hasegawa Eiji (Kaiju No. 8)
   • Shinonome Rin
   • Itami Keiji
   • Hoshina Soushirou’s parents
   • Shinomiya Kikoru
   • Top Hoshina Soushirou
   • Bottom Narumi Gen
   • Drunk Sex
   • Multiple Orgasms
   • Creampie
   • Barebacking
   • Trans Narumi Gen
   • Mpreg | Male Pregnancy
   • Unplanned Pregnancy
   • Trans Mpreg | Trans Male Pregnancy
   • A sick fic of sorts
   • Hurt/Comfort
   • Vomiting
   • Bathing/Washing
   • Soft Hoshina Soushirou
   • Mutual Pining
   • Eventual Romance
   • Falling In Love
   • Narumi Gen is Bad at Feelings
   • it’s not miscommunication if they don’t communicate right?
   • Living Together
   • Feelings Realization
   • Getting Together
   • Porn with Feelings
   • Pregnant Sex
   • Canon-Typical Violence
   • Post-Canon
   • Love Confessions
   • Injury
   • Non-Sexual Intimacy
   • Massage
   • Idiots in Love
   • Traumatic childbirth
   • Angst with a Happy Ending
   • Angst and Fluff and Smut
   • Found Family
   • Parenthood
   • Roommates
   • Domestic Fluff
   • Slice of Life

   Summary

   It all started with a simple bet… just a casual drinking game on a random weeknight. But somewhere in the blur of liquor, in the teases that held thinly veiled intentions, in the sudden press of two bodies caught up in it all…

   Narumi ends up with far more than he could have ever expected.

   Language:

   English

   Words:

   42,858

   Chapters:

   11/11

   Comments:

   131

   Kudos:

   328

   Bookmarks:

   38

   Hits:

   5,953