(Warning: Explicit lemons) Gou comes down with a fever and Rin is left to take care of her with Mom out on a business trip for a few days. As the temperature rises, the siblings fall into a forbidden love. This is a sickness neither may ever recover from. Fanfic inspired by Tabitha Suzuma's enlightening incest novel, "Forbidden". Sousuke, Haru & Makoto pop up.
Free! - Iwatobi Swim Club - Rated: M - English - Romance/Family - Chapters: 38 - Words: 340,200 - Reviews: 87 - Favs: 88 - Follows: 91 - Updated: 8/9 - Published: 5/17/2016 - Rin M., Haruka N., Gou M., Sousuke Y.