# Nijiiro Days
*Also known as: Rainbow Days / 虹色デイズ*

## Facts
- Format: TV_SHORT
- Status: concluded
- Year: 2016
- Season: WINTER

## Renewal Score
**Nijiiro Days** has a **49% renewal probability** on Courcast (confidence: 99%) as of 2026-06-03.

## Synopsis
Nijiiro Days follows the colorful lives and romantic relationships of four high school boys—Natsuki Hashiba, a dreamer with delusions of love; Tomoya Matsunaga, a narcissistic playboy who has multiple girlfriends; Keiichi Katakura, a kinky sadist who always carries a whip; and Tsuyoshi Naoe, an otaku who has a cosplaying girlfriend.
When his girlfriend unceremoniously dumps him on Christmas Eve, Natsuki breaks down in tears in the middle of the street and is offered tissues by a girl in a Santa 

## About Courcast
Courcast forecasts anime renewal probability using daily signals from streaming platforms, fan communities, and industry sources. Each CourScore (0–100) reflects fandom momentum, streaming performance, source material runway, and franchise history.

- Full details: https://courcast.com/title/nijiiro-days-winter-2016
- API: https://courcast.com/api/public/titles/nijiiro-days-winter-2016
- About Courcast: https://courcast.com/about

*Last updated: 2026-06-03*