I know a few fictions that you might like. I'm glad I can answer! Well, fiction found on other sites(AO3,DA) was not sure exactly what rating would receive in Dokuga. So I wrote down the rate of each site that was applied to fiction or what I thought.
The Ugly Truth by MissTeak Rated T
“Welcome to my show, ‘The Ugly Truth’! I am your host, Miroku, and our guests for this week are no other than Taisho Sesshoumaru and his very lovely wife, Higurashi Kagome! With no further ado, let’s begin our Q&A session!” MissTeak says, read and laugh!!
Rumor Has It by MissTeak Rated MA
“I swear, Sesshoumaru is gay.” Inuyasha said dramatically amidst murmurs of agreement. “Totally! He never really talks to or looks at other women.” Kagome agreed excitedly. Inuyasha had replied, “But we have no proof.” And that’s how one conversation led to Higurashi Kagome being caught in a dare – to prove on Christmas that Taisho Sesshoumaru is gay. MissTeak's three-chapter response to Kirai's Christmas challenge!
A Lesson In Love by Avi Rated K
Strength is not determined by what you are. Love can be both a strength and a weakness. A cold youkai lord gets a lesson in love from a big-hearted miko.
Apology Kiss by DChan87 Rated T
Based on a Tumblr prompt. Kagome has to apologize to Sesshomaru for revealing why she first came to him.
Come On, Sesshoumaru! Smile! by Dchan87 Rated T
Based on a Tumblr prompt. Kagome tries to get her boyfriend to smile.
Pups by ocupers Rated K
a story made to go along with the AMAZING comic strip
sesshkag pups
Present by Chie Rated T
After a chance reunion in the modern era, Kagome joins Sesshoumaru for Christmas dinner, oblivious to his intentions.