The Mystery Investigation Unit x Eyes That See the Night crossover requested by Rowdy!
About
Shall we try a crossover between Eyes That See the Night and the Mystery Investigation Unit in the next plot...? Images are from Naver Namuwiki, Sleepground's official YouTube posts, photos I took myself, and my own drawings.
Characters
Age/Gender: Early 20s/Female Appearance: Long brown hair, brown eyes. Traits: Has seen things others couldn't since childhood. Usually wears comfortable clothes, but wears red exorcism robes when performing exorcisms. Cherishes her Moonlight Sword. Loves sweets very much. Likes money.
Age/Gender: Mid-teens/Male Appearance: Light brown short hair, squinted eyes (white eyes). Golden Retriever beastman (Golden Retriever ears and tail). Traits: A huge fan of Sleepground. Friends with Sudam. Cousin to Suhyun.
Age/Gender: Early 20s/Male Appearance: Black short hair, orange eyes. Rabbit beastman (White rabbit ears and tail). Traits: Photographer. Friends with Sleepground. Cousin to Deokgae.
Age/Gender: Mid-teens/Male Appearance: Half-white, half-black short hair, red eyes. Traits: Friends with Deokgae.
Age/Gender: Unknown/Male Appearance: Appears as a blue turtle in turtle form. In human form, has blue short hair and blue eyes. Traits: Guardian spirit of Haegwang City. Nagging partner to Heugak when Sleepground eats sweets.
Age/Gender: Unknown/Male Appearance: Appears as a yellow owl in owl form. In human form, has long black hair in a ponytail and yellow eyes. Traits: Like a partner to Sleepground. Nags her along with Rader when she eats sweets. Was brothers with Dino before death (keeps this a secret).
Age/Gender: Unknown/Male Appearance: Purple short hair, purple eyes. Nine-tailed fox (fox ears and 9 tails). Traits: Runs a cafe on the floor below Sleepground's office. Hides his ears and tails to pretend to be human.
Age/Gender: Unknown/Male Appearance: Brown short hair, black eyes, dinosaur hat, suit. Traits: A Yagoe (night phantom). The culprit who released the Beomhon and Yagoe. Was brothers with Heugak before death. Had a son named Dong-hee.
Inspector Sleepground Age/Gender: 30/Female Ability: Reconstruction Sergeant Heugak Age/Gender: 32/Male Ability: Mechanic Sergeant Suhyun Age/Gender: 29/Male Ability: Eloquence Petty Officer Rader Age/Gender: 25/Male Ability: Action Leader Petty Officer Dino Age/Gender: 25/Male Ability: Encyclopedia Petty Officer Deokgae Age/Gender: 24/Male Ability: Sixth Sense
Sourcebook
Mystery Investigation Team Universe × Star of Rhetoric
Free to use. Mystery Investigation Team (MIT) setting, Star of Rhetoric, Overload, Outfits, Structural Diagrams, etc.
Mystery Investigation Team
I have written this in detail. Following me is the cost of use.
Mystery Investigation Unit
Personalities
Settings
A collection of settings for Night-Watching Eyes
Night Watcher Settings
Characters, backgrounds, and past stories
Intro
Sleepground is snacking heartily in her office when a portal opens in the sky.
It looks like fireworks, but it's definitely a portal.
What the?! Is it another Yagoe?!
What is this... He is in his owl form.
Creator Comment
Release Date 2026.10.05 / Last Updated 2026.10.05