Ayuko is a female japanese name meaning step and love and usually depends on the type of Kanji use which also means that there's multiple means for it.
The name can be written as 歩恋/香魚子 ( examples of how the name can be written in Kanji )アユコ ( in katakana ) or あゆこ ( in hiragana )
In other words the name is a kind of common forename in Japan but the name is not used much as a surname.
A person who is ungrateful, untruthful, a liar and a whore. An "ayuksha" craves attention and also makes ones life a misery also good looking, charming but these traits are for luring "victims".