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Keiko-chan's Secret
慶子ちゃんの秘密
Keiko-chan no Himitsu
Keiko-chan's Secret box
(c)アリスソフト Box art
Brand Champion Soft
Release date 1984/04/??
Genre / Rating ADV / 18+
Base price ¥4800
Voice No

About[]

Keiko-chan's Secret is a surprisingly large adventure game for the time, considering its one man dev team of Biccs Maiko. Champion Soft functioned as publisher for this title.

It's also one of the few games which had "sequels" in the form of the 3 Keiko-chan After programs.

Story[]

Keiko-chan is a college student living in a nearby apartment complex, she's also your private tutor. One day while peeping on her using your binoculars, you saw something happen which you couldn't quite believe.
It's up to you to figure out what happened to Keiko-chan, you might even get rewarded.

Gameplay[]

The game is mostly an ADV game, at the start you'll be answering by using choices. This gets mixed up a bit by an exploration section using that same ADV mechanic for conversations.
At certain points of the game you'll search through a room using a cursor. Movement is the same (2468), but you press enter to investigate an object.

This is then followed by a text parser ADV section where you investigate a house (and the outer area at first) which also uses the search mechanic.
The adult section follows if you are of age and is done by text parser as well.

Walkthrough[]

Intro section[]

Start
1
1
1

It asks for your DOB, you need to be 20 at the game's release.
It asks for a year/month/day in the showa period and then asks when you were born.
It was the year 59 in 1984, but it shouldn't matter. just make sure you type a double digit number with a difference of 20 years or more (including month and day).

741-953 till you get through
1

Apartment building section[]

Your goal here is to find Keiko-chan's room (it starts out locked).
To do this you need to first find and talk to a "nude model, fashion model or fashionable girl". This will then allow you to find the photographer which leads to Keiko-chan's door being unlocked.
Rooms are randomised, you control yourself with 2468. The options for the door are:

  • Knock
  • Open door
  • Use intercom
  • Leave

For elevators they are:

  • Left elevator (UP DOWN or leave)
  • Right elevator (UP DOWN or leave)
  • Leave

You then use numbers to indicate a floor with 0-6 (0 basement and 9 cancels). It doesn't matter which elevator you pick.

You can stack + or - events if you want.
These are the events I ran into:

Ghost (nothing happens)
Kettle (-5 HP)
Punch (-5 HP)
Hammer (-10 HP)
Nothing

Naked lady
Get hit by kettle (-5 HP)
1 (+5 HP), 2 leaves, 3 Hammer (-10 HP)

Girl changing clothes
2, 1, 2 for +30 HP

Photographer
1

Computer boy
Shows a screen of Four Dimensional Girl Lydia if you check it out. Nothing else.

Bathing Woman
1 -10 HP , 2 leave

Guard?
1 leaves, 2 leaves with -3, 3 repeats.

Karaoke woman?
-1 HP

Student girl
1 game over, 2 leaves, 3 Hammer (-10 HP)

Bodybuilder woman
-8 HP

Vampire woman
1 (-30 HP), 2 leaves, 3 Game over

Soccer ball guy
-10 HP

Fashion model
Get hit by kettle (-5 HP)
1 (+5 HP)

Hiroko (girl in leotard)
1 (+30 HP)

Big teethed "human"
-3 HP

Mahjong playing heroes
1 decreases HP by 50?
2 game over.

Cook
1 Set HP to 100?
2 Crashes the game
3 -20 hp

Nurse
1 +5
2 leaves

Office lady (nothing)

Keiko's room[]

Look through her room to find stuff.
Use numpad 2468 to move the cursor, enter to investigate.
Doraemon's stomach = wallet (take)
Bookshelf drawer = Photo (take)
Desk drawer = JJ matches (take)
Check another place, N and it should take you to an ADV section

ADV section[]

This section is a text parser ADV section, so the text is kept in Japanese except for instructions for the player (i.e. look for X).
Note: The dog wants a randomized food item. If it doesn't work, go back (or reload) and get the other item.

【 湘南海岸 】
JJ ハイル
マスター ヨブ
シャシン ミセル
イエ キク
JJ デル
ケーキ カウ (or パン カウ)
アトリエ イク

□ アトリエ
ヒダリ イク
クルマ シラベル
ドア アケル
フク シラベル
フク トル
クルマ デル
ミギ ススム
マエ ススム
パン ヤル
ドア アケル
ドア ハイル
ミギ ススム
ドア アケル
ドア ハイル

□ 書斎
シラベル
・水色の窓の中心にカメラ (Camera at the middle of the blue window)
・右奥の棚の下段にフィルム (film at the bottom of the back shelf)
デル
ヒダリ ススム

□ 廊下
マエ ススム
ミギ
ドア アケル
ドア ハイル

□ 暗室
シラベル
机の2番目の引きだしにキーボックス Second desk drawer keybox
数字を777にしてボックスを開ける Set to 777 to open (it's a puzzle)
Set B to 4 and do that 4 times till you get #,4,2 then set A to 7.
デル
ヒダリ
ヒダリ
ドア アケル
ドア ハイル

□ スタジオ
シラベル
ホリゾント(撮影背景用のシート)のはじっこにカーソル (At the bottom center edge of the photography background)
シラベル
タスケル
タスケル
カメラ コワス
フィルム ヤク
カメラ コワス
フィルム ヤク
(カメラマンが泣き出したら終わりなので上記コマンドを繰り返し入力)

Love Lesson[]

【 ラブ・レッスン 】
キレイ
キス スル
フク トル
-------
キス スル
ミミモト ササヤク
キス ウナジ
ケイコ ダク
-------
キス スル
ステキ
ミミモト ササヤク
ブラ トル
-------
キス スル
ステキ
クビ アイブ
クビ モム
ナメル チクビ
フトモモ サスル
ムネ モム
パンティ トル
--------
ナメル チクビ
サスル フトモモ
ケイコ ダク
--------
アイブ アソコ
ナメル アソコ
イレル アソコ

Here's an (untranslated) trick to immediately start here for the disk version:
ゲームをスタートして「数日後…」というメッセージが出たらホットスタートをかける
(STOPキーを押しながらリセット)
RUN "K2.BAS" 【 RETURN 】
ゲームが始まったら再びホットスタート
RUN "K4.bas" 【 RETURN 】

Keiko-chan After[]

These 3 programs were released somewhere in 1986 via mail order only and priced at 3000円. They are just CG viewers with a password.
One thing to note is that all of them have 1 hidden CG which requires either a different password or removal of the protection used.

It looks like Keiko-chan isn't the only one appearing in the CGs, making it likely that the name was tacked on later.

  • Keiko-chan After - Nurse (その後の慶子ちゃん 看護婦編)
    • 5+1 CGs, use 89716 to see the first 5.
  • Keiko-chan After 2 - Office Lady (その後の慶子ちゃん2 OL編)
    • 5+1 CGs, use 85463 to see the first 5.
  • Keiko-chan After 3 - Newlywed (その後の慶子ちゃん3 新妻編)
    • 9+1 CGs, use 281011 to see the first 9.

Gallery[]

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