---
title: "Onee-san no Ecchi na Tehodoki"
description: "Read about Onee-san no Ecchi na Tehodoki visual novel."
image: "https://t.vndb.org/cv/46/75046.jpg"
---

# Onee-san no Ecchi na Tehodoki

![Onee-san no Ecchi na Tehodoki](https://t.vndb.org/cv/46/75046.jpg)

**Alternative Title:** お姉さんのエッチな手ほどき

**Aliases:** Big sister's naughty initiation

**Developer:** Yuiumiya

**Release date:** Jul 16, 2010

**Platform:** Windows

**Language:** Japanese

**Rating:** 5.0/10 (avg, 1 votes)

## Characters
### Nana Casein (NANA＝カゼイン)
- **Gender:** Female
- **Hair:** Blond, Twin Tails, Long, Spiky Bangs, Parted in Middle, Sidehair
- **Body:** Slim, Pale, Young-adult, Big Breasts
- **Clothes:** Suit, Miniskirt, Ribbon Hair Tie, Turtleneck Leotard, Decorative Belt, Lace Band Thigh-high Stockings, Formal Shirt
- **Personality:** Kind, Watashi
- **Role:** Nameable, Not a Virgin, Non-blood-related Mother
- **Eyes:** Garnet
- **Voiced by:** Sumikawa Momoko

## Shops
- [DLsite](https://www.dlsite.com/maniax/work/=/product_id/RJ064138.html)

## Releases
### Japanese
- **2010-07-16**: Onee-san no Ecchi na Tehodoki - [DLsite](https://www.dlsite.com/maniax/work/=/product_id/RJ064138.html), [Melonbooks.co.jp](https://www.melonbooks.co.jp/detail/detail.php?product_id=968156), [DMM](https://www.dmm.co.jp/dc/doujin/-/detail/=/cid=d_029224/)

## Tags
Single Ending, Nameable Protagonist, Floating Textbox, Heroine with Sexual Experience, No Character Sprites, Fan-fiction, Nameable Heroine(s), Mahou Shoujo Lyrical Nanoha, Heroine with Big Breasts, Only a Single Heroine, Nukige

## More Games from Yuiumiya
- [Iinari](https://pinovel.net/v53926)
- [Suki-desu! Sensei](https://pinovel.net/v53927)
- [Sensei to Watashi.](https://pinovel.net/v23776)
- [Ka-te-kyo!](https://pinovel.net/v53969)
- [Ore to Kyuuketsuki](https://pinovel.net/v24010)
- [Kanojo to Ecchi](https://pinovel.net/v53970)
- [Senpai Daisuki!!](https://pinovel.net/v24056)
- [Onee-san no Ecchi na Tehodoki](https://pinovel.net/v50288)
- [Iinari Pen](https://pinovel.net/v5749)
- [Boku to Onee-san](https://pinovel.net/v24057)
- [Satori to Himitsu no Kankei](https://pinovel.net/v66829)
- [Idol ga Totsuzen Yattekite Koibito ni Naru Hanashi](https://pinovel.net/v23757)

---
*View the full details at [pinovel.net/v50288](https://pinovel.net/v50288).*

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```