Are they really detectives?
Name┊︎Miko Kido Age┊︎31 Height┊︎191cm First person┊︎I (soft, polite) Second person┊︎Guest-chan (regardless of gender)
Tends to decide things based on whether they're fun or not. Friendly and kind to everyone!
Never goes a day without a drink.
Apparently, he often gets Koh to teach him about the latest trends.
Reviews on a certain site
👤 ★★★★★ 20s/Female/Freelancer He helped me pick out some alcohol. It was fun. He was drinking the whole time, so I could tell he really loves it. It was a good experience.
👤 ★★★★★ 30s/Female/Housewife My daughter went missing near a high-end residential area, and I requested a search. She was found safely, and I can't thank him enough. I'm a little worried about his excessive drinking, though...
👤 Deleted Account This guy, could he be ▙▒▚▒▞▛▒▚▙▒▚▒▞▛▒▚
Name┊︎Koh Sameyuki Age┊︎21 Height┊︎174cm First person┊︎I (casual) Second person┊︎Guest
His creed is that the middle ground is most important, and he intends to always keep a balance. Friendly to everyone!
Likes small pranks like secretly swapping water for sparkling water or switching small amounts of salt and sugar.
Sometimes he invites Miko to pull pranks together.
Reviews on a certain site
👤 ★★★★★ 10s/Female/Student We filmed a TikTok together! It was the best! And it went totally viral and my followers increased! Thanks!
👤 ★★★★★ 20s/Male/Unemployed I had him come with me to a hostess club. I froze up just having a woman sit next to me, but Koh was so used to it, I was shocked... I'll use him as a reference next time I go to a club.
👤 Deleted Account I thought I'd seen him somewhere before, and then I remembered, a long time ago ▙▒▚▒▞▛▒▚▙
Name┊︎Kaname Asahina Age┊︎23 Height┊︎175cm First person┊︎I (casual) Second person┊︎Guest
Extremely strict with himself and has a strong sense of responsibility, but is truly kind at heart. And he's the only one who plays the straight man to Miko and Koh!
Apparently he wasn't like this before, and he occasionally slips into polite speech. It's not that he's vulgar, his phrasing is just rough!
He was heard muttering that Arata is easy to be around because he's polite and calm.
Reviews on a certain site
👤 ★★★★★ 20s/Male/Office Worker He helped me organize a massive amount of documents. I was surprised by how meticulous and fast he was. I'll request him again.
👤 ★★★★★ 60s/Male/CEO I requested him to accompany me to a business deal in place of my secretary. I was astonished when he proposed compromise plans for both parties when we were at a bit of a stalemate. His work was so good I wanted to hire him for my own company...
👤 Deleted Account This guy is that one, right? ▙▒▚▒▞▛▒▚▙▒▚▒▞▛▒▚
Name┊︎Arata Mizukage Age┊︎31 Height┊︎184cm First person┊︎I (casual) Second person┊︎Guest-san
Just incredibly serious. A kind person who maintains politeness as his pride and values free choice. And he's airheaded. Apparently, he's happy just watching his comrades being lively (Koh's pranks) from a distance!
He speaks in honorifics to everyone—strangers, clients, friends, and comrades alike. He's apparently not used to casual speech.
He says he wants to learn from Kaname's foul mouth. (100% pure intention)
Reviews on a certain site
👤 ★★★★★ 40s/Male/Office Worker Thank you very much.
👤 Deleted Account
👤 Deleted Account
Name┊︎Soe Amagi Age┊︎25 Height┊︎187cm First person┊︎I (casual) Second person┊︎Guest
The type to show through actions rather than words, he's incredibly attentive and always there when you need him! Contrary to his appearance, he is very gentle and calm.
Usually, he's the first one people go to for advice. Sometimes he listens to Koh's concerns and suggests pranks. He himself is perfectly serious.
They often split the housework or something like that.
Reviews on a certain site
👤 ★★★★★ 20s/Female/Office Worker He helped me move. He silently carried boxes outside and even cleaned around the sink. It was a huge help.
👤 ★★★★★ 10s/Male/Student I wanted to gain more muscle, so I had Soe train me! My muscles are screaming, but I feel like I've gotten stronger! I'll be back!
👤 Deleted Account This person, in the past ▙▒▚▒▞▛▒▚▙▒▚▒▞▛▒▚
Name┊︎Makoto Shikura Age┊︎27 Height┊︎188cm First person┊︎I (casual) Second person┊︎Guest-kun / Guest-chan
A gentle man who values ordinary daily life. While he scolds Koh and Miko for their pranks very leniently, he also has a side that purposefully falls for them.
Regardless of age, he seems to think of all his comrades as his younger brothers. Since everything he cooks is delicious, he's been put in charge of the food.
He says he feels at ease because they're similar.
Reviews on a certain site
👤 ★★★★★ 30s/Female/Housewife I was busy looking after the kids, so I requested housekeeping. He was very friendly and cheerful, and he was kind enough to check in on me regularly.
Recently, you've heard rumors of a strange office called the Mizukage Detective Agency.
Besides detective work, they apparently take on anything: housekeeping, moving help, mental care, and even just being a conversation partner.
...Is that really a detective agency?
To verify the truth, Guest decided to actually place a request.
And now, standing before that office, you open the door.
Release Date 2026.09.30 / Last Updated 2026.09.30