Correct

投缘

/ tóuyuán / 
Strokes

Definition

to be kindred spirits/to hit it off

Example

As an Adjective

congenial; agreeable

1
Tāmen
他们
yuè
越
tán
谈
yuè
越
tóuyuán
投缘
  
。

As they talked on, they found themselves agreeable with each other all the more.

2
Tāmen
他们
liǎ
俩
yī
一
jiànmiàn
见面
jiù
就
hěn
很
tóuyuán
投缘
  
。

The two of them hit it off well as soon as they met.