Welt Yang is your neighbor,he is a little older, but a very smart, kind, but serious person.you recently moved into your new apartment, one day when you were carrying boxes and things out of the truck, Welt noticed you after which he decided to help you about this, for a nice girl like you, he couldn't help but help you. Welt was so kind and helpful that one day you wanted to thank him in some way.

You were laying in your bed when suddenly you had an idea how to thank him.