1 - 20 of 295 Works by InterstellarBlue (nagi_blue)
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Summary
Written for the comment_fic prompt: "Any, any +/ any, a relationship with a large age difference"
Yoon Sanha and Kim Myungjun are good friends with a larger age difference than people realize - but not the way people think.
Lee Dongmin contemplates the age difference between himself and Park Minhyuk, too.
Series
- Part 18 of Shadowhunters
- Part 41 of Prompt Fills 2024
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Summary
Sanha rides a desk in immigrant case management in the Seoul office of the Men in Black, and he eavesdrops on a case review between his sunbae Myungjun and an alien who goes by the alias Lee Dongmin, who is struggling to blend in on Earth. The entire bullpen eavesdrops on the interview - except Minhyuk, who is isn't fazed by anything.
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Bin's high school library is haunted by the ghost of handsome scholar Lee Dongmin, who only Bin can see and interact with.
Math tutoring ensues.
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Hunters and Shadows by InterstellarBlue (nagi_blue)
Fandoms: KPop Demon Hunters (2025), ASTRO (Band)
16 Oct 2025
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Zoey's out getting her favorite honey yakgwa cookies and runs into a boy who's hunting a kind of demon she's never seen before, a boy who says he should be invisible to her, a boy who says he's half-angel.
Series
- Part 17 of Shadowhunters
- Part 2 of Sunlight Girls
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Summary
Yoon Sanha, D-rank hunter with S-rank gear (bought with his father's money) accompanies E-rank hunter Park Minhyuk into a C-rank dungeon with Hwang Dongsuk and his strike team.
Turns out there's more than one kind of monster in the dungeon.
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Do what you want by InterstellarBlue (nagi_blue)
Fandoms: KPop Demon Hunters (2025), Monsta X (Band)
09 Oct 2025
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Zoey and her teammates are allowed out of the dorm to accompany Bobby as he runs errands, like getting the company van washed.
At a shady car wash run by some very attractive dokkaebi.
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Dongmin runs a flower shop with his handsome part-timer Sanha and his new friend Rocky, who is a siren. And has amnesia.
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Minhyuk, a young hunter, saves a white tiger god, and receives a promise of protection in exchange.
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Shoulder Angel and Shoulder Demon by InterstellarBlue (nagi_blue)
Fandoms: ASTRO (Band), Monsta X (Band)
29 Sep 2025
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Lee Jooheon has a crush on his church choir sunbae Yoo Kihyun. Should he confess? His shoulder angel Jinwoo and his shoulder demon Myungjun have differing opinions.
Cutess and chaos ensue.
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Written for the expressions comment_fic prompt: "Any, any, the elephant in the room."
Dongmin is actually the deer in the room. When he meets Minhyuk's family for the first time.
Series
- Part 16 of Shadowhunters
- Part 40 of Prompt Fills 2024
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Summary
Written for the comment_fic prompt: "Any, Any, where angels fear to tread."
Fools rush in where angels fear to tread, but Sua is only half-angel.
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- Part 15 of Shadowhunters
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Summary
Written for the fic-promptly prompt: "KPop Demon Hunters, Jinu/Rumi, sword spirit (post-canon AU)"
Series
- Part 1 of Prompt Fills 2025
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Fic featuring the girls who slipped through the cracks in canon: who trained under Celine but didn't debut at all? Who debuted with another team? Who was a skilled hunter but not a skilled performer? And who else out there is half demon?
Series
- Part 1 of Sunlight Girls
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take my steps again by InterstellarBlue (nagi_blue), nagi_blue
Fandoms: Big Ocean (Band), HAWW (Band)
26 Jul 2025
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Kim Jiseok has two dreams: go to university like a good son, and find his soulmate. Park Jeonggeun has two dreams: find his soulmate, and be a successful idol. Things don’t go as planned for either of them. But they find some dreams anyway.
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Proposed Taxonomy and Classification of a Novel Romance Between Two Scientists via Letters by InterstellarBlue (nagi_blue), nagi_blue, vonseal
Fandoms: ASTRO (Band)
22 Jul 2025
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Authors: Kim Myungjun PhD, Department of Anatomy and Physiology, College of Zoology, Kyungsung University
Lee Dongmin PhD, Department of Biological Sciences, College of Science, Sungkyunkwan University
With assistance from Lee Donghyun, Beijing Normal UniversityAbstract: A new species of romance has been identified between two professors from disparate but still scientific disciplines, facilitated by letters, photographs, and helpful colleagues (and meddling little brothers). This paper explores the introduction, development, and evolution of the relationship between two such professors (and maybe also the discovery of a whole new species).
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Independent Businessman by InterstellarBlue (nagi_blue) for vonseal
Fandoms: ASTRO (Band)
11 Jul 2025
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Myungjun is desperate to save his mother but cannot afford to pay for her life-saving surgery. So he tries to rob a bank. He kidnaps a hostage instead, a handsome man who might or might not be a K-pop idol. Or is an “independent businessman”. Whatever that means. As long as he gets the money he needs, everything will be fine, right?
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Written for the poetry prompt: “Any, any, the Monday’s Child poem(or any variation)”
Sunday’s child is bonny and blithe and good and gay.
Series
- Part 39 of Prompt Fills 2024
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College student Yoon Sanha notices a handsome boy in the hallway between classes, a boy with adorable furry black wolf ears. A wolf hybrid boy named Park Minhyuk.
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Written for the comment_fic prompt: “ Any, Any, working in fast food.”
Hardworking attorney Lee Dongmin is surprised to see his high school hoobae Park Minhyuk behind the counter at the local sandwich shop, Park Minhyuk who’s now superstar idol Rocky (who Dongmin definitely doesn’t have a crush on, nope).
Series
- Part 37 of Prompt Fills 2024
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Written for the comment_fic prompt: "Any, Any, high school AU"
Jinwoo is the DJ for the high school radio station's all request lunch hour, and he watches drama unfold across a series of requests.
Series
- Part 36 of Prompt Fills 2024