60 A Little Chat » by Mythril Moth
When Adrien Agreste witnesses a murder committed by a member of the Black Organization, he's forced to swallow a poison which inexplicably shrinks his body to the size of a child! Unable to go home or see any of his friends, he transforms into Chat Noir and seeks out Ladybug for help.
T, English, Mystery & Humor, chapters: 4, words: 14k+, favs: 141, follows: 205, updated: 7/7/2017 published: 4/7/2016, Black Organization, Marinette D-C./Ladybug, Adrien A./Cat Noir
60 Kaitou Kitsune » by LovePuppy25
Things are not always what they seem. That's the main theme in every Magician's act. The truth is always covered by the illusion. And sometimes...the illusion better than the truth. However, as they say, the truth will set them free. In which, Thieves go to Paris along with an unusual hero. Sort of Aged Up AU. Rated T for Kaito's skirt habits.
T, English, Romance & Friendship, chapters: 9, words: 47k+, favs: 109, follows: 138, updated: 7/1/2017 published: 7/3/2016, [Adrien A./Cat Noir, Marinette D-C./Ladybug] Kaito K.
17 Imperfectly Purrfect » by neonkoi
Chat Noir believed anything was possible in the City of Love, especially with his beloved Ladybug. But what happens when this fickle feline comes across a self-proclaimed detective named Kudo Shinichi, who coincidentally transfers to Adrien Agreste's classroom as a new student? Fem!Shinichi x Chat Noir/Adrien Agreste pairing. Collab with Sleeping Moon!
T, English, Romance & Hurt/Comfort, chapters: 2, words: 7k+, favs: 68, follows: 70, updated: 11/27/2016 published: 11/18/2016, [Shinichi K./Conan E., Adrien A./Cat Noir]