xǔxiàyuànxīn
ㄒㄩˇ ㄒㄧㄚˋ ㄩㄢˋ ㄒㄧㄣ
Simplified 许下愿心
Taivo → Settings → Partner inbox → Make the link. It stays in this browser.
Keep 許下願心 and it comes back until you know it.