# 15-sai, Kyou kara Dousei Hajimemasu.
*Also known as: 15歳, 今日から同棲はじめます.*

## Facts
- Format: ONA
- Status: concluded
- Year: 2018
- Season: SPRING

## Renewal Score
**15-sai, Kyou kara Dousei Hajimemasu.** has a **30% renewal probability** on Courcast (confidence: 75%) as of 2026-06-03.

## Synopsis
"I was planning for us to stay just friends... but I'm not holding back anymore." I'm living with my childhood friend turned savage! My heart won't stop throbbing as each day passes and he just won't give up...!! After entering high school, Hiyori is finally able to fulfill her dream of living alone. Or so she thought... Her childhood friend Soushi is there waiting for her at her new apartment. He suddenly kisses her and Hiyori is unable to hide her confusion. Is he teasing her? Or is this for r

## 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/15-sai-kyou-kara-dousei-hajimemasu-spring-2018
- API: https://courcast.com/api/public/titles/15-sai-kyou-kara-dousei-hajimemasu-spring-2018
- About Courcast: https://courcast.com/about

*Last updated: 2026-06-03*