NinNinDays

A sullen main character and a clumsy female ninja living together?! In this romantic adventure game set in Akihabara, you'll laugh and you'll cry over the entertaining lifetyle of a slightly erotic female ninja and the main character's cohabitation!

Released Aug 8, 2019 Developer qureate, iMel Inc. Publisher qureate, DLsite Platforms Windows

View on Steam ↗ $12.99 (US · as of 2026-09-26)

What players say

Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-26.

93.5%positive782 reviews

Recommended · 2 found this helpful

“Sumire Sex”

— a player, Steam review · 5 hrs played

Achievement stats

Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-09-26.

12achievements

75.3%median completion

65.2%rarest: Reunion1

Almost everyone has

91.4%The encounter with Sumire — Hidden achievement

88.3%It suddenly appeared in front of you — Hidden achievement

85.0%Fire Style, Blaze of Glory — Hidden achievement

Rarest badges of honor

65.2%Reunion1 — Hidden achievement

71.3%Pillow talk — Hidden achievement

72.0%Misunderstanding — Hidden achievement

Latest official news

Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.

Oct 06, 2023
Distribution of "Livestream 2: Escape from Togaezuka Happy Place" begins!

https://clan.cloudflare.steamstatic.com/images/34134139/2ad1b0924db837b86bf6ee3db0642f045589e9b4.png Can you escape the horror of being hunted down...? The sequel to the survival horror game "Livestre

Jun 24, 2022
『The Future You've Been Dreaming Of』July 15, 2022 Release（Japan time）

https://cdn.akamai.steamstatic.com/steamcommunity/public/images/clans/34134139/580f92e4bffb3420f94a5adb96bf43d5d1a064f0.png Take on the role of a Zashiki-Warashi, a house-bound spirit that can bring g

Jan 06, 2022
【NinNinDays2】Release on January 21, 2022 (Japan time)

https://cdn.akamai.steamstatic.com/steamcommunity/public/images/clans/34134139/fa6bcf0538546091b37d9a832f1fdb18c9d677cb.png A life turned upside down after an encounter with two female ninja?! This ro

Jul 16, 2021
『IdolDays』released on August 5, 2021PST）!

https://cdn.cloudflare.steamstatic.com/steamcommunity/public/images/clans/34134139/cc7c87d2c8802ebd59a0bf79371a2905245649f4.png Can a delinquent girl transform into an idol?! A love-adventure game whe

May 21, 2021
『Livestream: Escape from Hotel Izanami』released on June 10, 2021 (PSD)

https://cdn.cloudflare.steamstatic.com/steamcommunity/public/images/clans/34134139/32c0c286d3381ac8ce18cd39d0012ca2641febb8.png In this side-scrolling action-adventure game, you'll need to scour the i

Screenshots

Official Steam store screenshots — click any shot to enlarge.

Facts & details

From the Steam store record, snapshot 2026-09-26.

Genres	Adventure, Indie
Features	Single-player · Steam Achievements · Family Sharing
Languages	English, Simplified Chinese, Traditional Chinese, Japanese * *
Achievements	12
Official site	https://qureate.net/ninnindays/

Minimum system requirements (PC)

Minimum: OS *: Windows7/8.1/10 (Windows RT and 10 Mobile are not supported) Processor: Intel Core i Processor Series (Low Voltage Processor is not supported) Memory: 2 GB RAM Graphics: HD Graphics 620 DirectX: Version 9.0 Storage: 1 GB available space Sound Card: A sound card that supports DirectSound Additional Notes: Support Pixel Phaders 2.0 or higher required / A pointing device required