What's the relationship between Sean and Eber?

April is a man of few words, but he is a chatterbox before Sean. When I am with Sean, I will make Sean laugh with jokes, and the smile on my face is also very bright. There always seems to be endless topics between two people. Have the same skiing hobby and will plan to go out to play together. Ebo will also share his hobbies with you from Sean's own motorcycle, just because he regards you as a close person.