# Natsuiro no Sunadokei
*Also known as: Hourglass of Summer / 夏色の砂時計*

## Facts
- Format: OVA
- Status: concluded
- Year: 2004
- Season: SPRING

## Renewal Score
**Natsuiro no Sunadokei** has a **35% renewal probability** on Courcast (confidence: 88%) as of 2026-06-03.

## Synopsis
Makimura Koutarou has made up his mind: during the summer vacation, he is going to confess his love to the seemingly unapproachable Serizawa Kaho. Yet, on the night before, he has a run-in with a strange girl - an encounter which propels him into the future. There, he learns that not only has Kaho-chan become his girlfriend, but she has also died in a tragic accident. Returning to his own time, Koutarou sets out to change the future and save his love.
(Source: Anime News Network)

## 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/natsuiro-no-sunadokei-spring-2004
- API: https://courcast.com/api/public/titles/natsuiro-no-sunadokei-spring-2004
- About Courcast: https://courcast.com/about

*Last updated: 2026-06-03*