106After the Dawn » Gwen's friend's last request is for Gwen to take care of her baby daughter, who has powerful latent magical abilities. Her parents and Kevin are against this idea, but Ben offers support. Can the two 18-year-old cousins raise - and protect - a little girl by themselves? And will this bring them closer to what is socially acceptable for cousins? BWEN
Ben 10, T, English, Romance, chapters: 6, words: 20k+, favs: 115, follows: 152, updated: 21h published: 3/14, [Ben T., Gwen T.] Kevin
51Mystic Vanguard » Ben/Charmcaster/Gwen. AU. 16-year-old Ben Tennyson finds a strange watch that can turn him into aliens. Now he fights off evil from Earth and space alongside his cousin Gwen and antiheroine Charmcaster. And both girls fall in love with him.
Ben 10, M, English, Adventure & Romance, chapters: 6, words: 22k+, favs: 65, follows: 77, updated: 9/6 published: 7/14, [Ben T., Charmcaster/Hope, Gwen T.]
436Watch Boy & Lucky Girl » BWEN (Ben/Gwen). 16-year-old Ben Tennyson finds a strange watch that can turn him into aliens. And his cousin Gwen - who has magical powers of her own - helps him to fight off evil from Earth and space.
Ben 10, T, English, Romance & Adventure, chapters: 28, words: 86k+, favs: 232, follows: 205, updated: 7/14 published: 6/30/2017, [Ben T., Gwen T.]
32 One More Light » Future-fic. After Vilgax's death, Ben thinks he can finally have a happy life with the woman he loves - Gwen - and their son Ken. But Vilgax's final vengeance endangers Ken's life and the consequences might break Ben's family apart. Will Ben, Gwen and Ken find a happy ending? - COMPLETE
Ben 10, M, English, Romance & Angst, chapters: 3, words: 8k+, favs: 44, follows: 31, updated: 2/12 published: 1/17, [Ben T., Gwen T.]
14 Perfectly Imperfect After making a mistake, Ben starts to think he doesn't deserve Gwen. But she convinces him otherwise. "Would any other hero risk the whole universe to save a cousin?" Bwen (Ben/Gwen) fluffy.
Ben 10, K+, English, Romance, words: 1k+, favs: 62, follows: 23, 7/15/2017, [Ben T., Gwen T.]
20 How It Ends "We saved the world a million times, why can't we save ourselves just once?" Ben/Gwen/Kevin love triangle. One-shot.
Ben 10, T, English, Romance & Angst, words: 3k+, favs: 39, follows: 16, 2/7/2017, Ben T., Gwen T., Kevin