11If They Hadn't Met on the Gym's Second Floor » by BugDevil
Based on the alternate universe introduced in Volume 7 of the Light Novel where Adachi and Shimamura never met in school and instead first encountered each other on the train to work. This story revolves around the blossoming relationship between these adult versions and the consequences of their belated meeting.
T, English, Friendship & Romance, chapters: 11, words: 43k+, favs: 4, follows: 4, updated: 7/11 published: 5/15, [Adachi, Shimamura]
4 Slowtime by yuzu verve
To celebrate Shimamura's 20th birthday, her mother decides to mark the occasion with Sake. Post novel 9.
T, English, Romance & Humor, words: 5k+, favs: 6, follows: 3, 2/23, [Adachi, Shimamura]