---
title: "Onii-chan no Yousu ga Hen!?"
description: "Read about Onii-chan no Yousu ga Hen!? visual novel."
image: "https://t.vndb.org/cv/51/80451.jpg"
---

# Onii-chan no Yousu ga Hen!?

![Onii-chan no Yousu ga Hen!?](https://t.vndb.org/cv/51/80451.jpg)

**Alternative Title:** お兄ちゃんの様子がへん!?

**Developer:** LITTLEBEAR JUNGLE

**Release date:** May 28, 2002

**Platform:** Windows, macOS

**Language:** Japanese

## Shops
- [Official Website](https://web.archive.org/web/20030414194749/http://www.dlsite.com/work/workshow.cgi?workno=gs0249)

## Releases
### Japanese
- **2002-05-28**: Onii-chan no Yousu ga Hen!? - [Official website](https://web.archive.org/web/20020803204936/http://www.littlebearjungle.com/sub1.htm), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=35108)
- **2002-05-28**: Onii-chan no Yousu ga Hen!? Download Edition - [Official website](https://web.archive.org/web/20020803204936/http://www.littlebearjungle.com/sub1.htm), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=35108)
- **2002-05-29**: Onii-chan no Yousu ga Hen!? - Download Edition - [Official website](https://web.archive.org/web/20030414194749/http://www.dlsite.com/work/workshow.cgi?workno=gs0249)
- **2004**: LITTLEBEAR JUNGLE BEST!

## Tags
Rape, Madness, Delusional Protagonist, Protagonist's Younger Sister as a Heroine, Only Protagonist's Sisters as Heroine(s), Panty Gag, Blood-related Brother/Sister Incest, Map Movement, Group Sex of One Male and Several Females, Ending List

## More Games from LITTLEBEAR JUNGLE
- [Lady Pilot](https://pinovel.net/v49222)
- [Onii-chan no Yousu ga Hen!?](https://pinovel.net/v50818)
- [Bishoujo Kantouka no Yoru](https://pinovel.net/v50819)
- [UNBALANCE ~Boku ga Nakushita Mono~](https://pinovel.net/v53283)
- [Third Lady](https://pinovel.net/v50500)
- [BLIZZARD](https://pinovel.net/v53282)
- [Shucchou Katei Seito](https://pinovel.net/v49301)

---
*View the full details at [pinovel.net/v50818](https://pinovel.net/v50818).*

```json
{"@context":"https://schema.org","@type":"VideoGame","@id":"https://pinovel.net/v50818#game","name":"Onii-chan no Yousu ga Hen!?","description":"Read about Onii-chan no Yousu ga Hen!? visual novel.","url":"https://pinovel.net/v50818","image":"https://t.vndb.org/cv/51/80451.jpg","author":{"@type":"Organization","name":"LITTLEBEAR JUNGLE"}}
```