Hi,I’m pretty sure this is the story you’re looking for:
Higher Education Reviews http://www.dokuga.com/fanfiction/story/9383/1
Kagome befriends a nerdy Sesshoumaru and sets out to teach him that there's more to college than studying.
Rating: MA - Universe: Alternate - Status: Incomplete - Category: Chapter Stories - Created: 14 Jul 2014 - Updated: 19 Aug 2019
Genre: Angst, Drama, Erotica, Friendship, Humor, Romance - Chapters: 135 - Reviews: 912 - Words: 334,232 - Reads: 802,057
Rated MA
Or it could be:
The Syndrome Reviews http://www.dokuga.com/fanfiction/story/458/1
Kagome finds herself homeless thanks to her rowdy roomies and has to move in with her best guy friends… and Sesshoumaru. The taiyoukai finds him self suffering from a strange combination of ailments, something his father calls simply ‘The Syndrome’. Will he be able to survive the symptoms so he can live to gain the cure? COMPLETE
Rating: MA - Universe: Alternate - Status: Complete - Category: Chapter Stories - Created: 03 Jun 2008 - Updated: 11 Jan 2014
Genre: Angst, Drama, Erotica, Friendship, Humor, Romance - Chapters: 57 - Reviews: 265 - Words: 298,008 - Reads: 379,514
Rated MA