after I will update this In guide.
Guide to outcome
（The outcome is prioritized, for example, when other conditions are met and both Albert and Night are more than 90, the outcome is Albert.）
There is no numerical indication of favor with characters , but soul mate is 80.
1.
Marry you
Condition：
Intimacy>80 Human Degree >-150 & <150
When the ending asks whether to marry or not, agree.
If Condition is not enough, Katie will be cynical (depending on attributes).
Human Degree＞0 ：
2.Working together in the human world with the leading characters (Reunion)
Condition：
Energy＞450 Knowledge＞450 Grace＞450 Human Degree＞400
Katie's preference for characters are all higher than 90.
3.
Marry Albert and live in human society
Condition：
Energy＞500 Knowledge＞400 Grace＞200 Human Degree＞300
Katie's preference for Albert was higher than 90.
4.Marry Night and live in human society
Condition：
Energy＞500 Knowledge＞200 Grace＞400 Human Degree＞200
Katie's preference for Night was higher than 90.
5.
Marry Selena and live in human society
Condition：
Energy＞500 Knowledge＞400 Grace＞350 Human Degree＞400
Katie's preference for Selena was higher than 90.
6.Marry Catherine and live in human society (Catherine weird)
Condition：
Energy＞300 Knowledge＞300 Grace＞350 Human Degree＞400
Katie's preference for Catherine was higher than 90.
7.
Human general
Condition：
Energy＞500
Katie's preference for characters are all lower than 90.
8.Scholar
Condition：
Knowledge＞500
Katie's preference for characters are all lower than 90.
9.
Ambassador of mankind
Condition：
Grace＞500
Katie's preference for characters are all lower than 90.
10.Prime Minister
Condition：
Energy＞450 Knowledge＞450 Grace＞450 Human Degree＞450
Katie's preference for characters are all lower than 90.
11.
Every man
Condition：
None of the above Condition has been reached.
Human Degree＜0：
12.In the monster world, the characters worked together (Reunion), and she became "Star".
Condition：
Energy＞450 Knowledge＞450 Grace＞450 Human Degree＜-300
Katie's preference for characters are all higher than 90.
13.
And Albert quietly live in the monster society.Become "Star"
Condition：
Energy＞500 Knowledge＞400 Grace＞200 Human Degree＜-150
Katie's preference for Albert was higher than 90.
14.Marry Night and live in monster society.Become "Star"
Condition：
Energy＞500 Knowledge＞200 Grace＞400 Human Degree＜-150
Katie's preference for Night was higher than 90.
15.
Marry Selena and live in monster society.Become "Star"
Condition：
Energy＞500 Knowledge＞400 Grace＞350 Human Degree＜-300
Katie's preference for Selena was higher than 90.
16.Marry Catherine and live in monster society.Become "Star"（Catherine change side）
Condition：
Energy＞300 Knowledge＞300 Grace＞350 Human Degree＜-300
Katie's preference for Catherine was higher than 90.
17.
Archmage
Condition：
Energy＞500
Katie's preference for characters are all lower than 90.
18.Great witch
Condition：
Knowledge＞500
Katie's preference for characters are all lower than 90.
19.
Succubus
Condition：
Grace＞500
Katie's preference for characters are all lower than 90.
20.High priest
Condition：
Energy＞450 Knowledge＞450 Grace＞450 Human Degree＜-250
Katie's preference for characters are all lower than 90.
21.
A strange man
Condition：
None of the above Condition has been reached.