Two Introvert Became Extrovert

This is the story of two person who are introvert growing up. What will happen when this two person in different country who are introvert become friends and slowly they managed to come out in their own comfort and become extrovert in their own comfort zone? how come this two feel so comfortable even though they just got to know each other and they are introvert growing up.

Read the rest of the story and find out if they become extrovert in the end or they will stay introvert in the long run. How would you feel if one of them fall in love? would the other one feel the love too? or would they still friends who help each other with their problems?