Jin:

How you Met:

You were at his battle against shu

He devolops a crush on you:

She loves me and thinks I'm adorable and interesting

He confesses:

I really like you (Y/N) and so do my spirits

His special song to you:

https://youtu.be/jJaesAiTuV4

Your birthday:

*He gives you a doll of yourself*

A bully hurts you:

*Sends one of his "Spirits" after him*

He meets your parents:

*They think he has problems*

Naoki:

How you Met: 

When he studied Valt at the park

He develops a crush on you: 

She doesn't think I'm boring and loves science a lot

He confesses:

Be my girlfriend our chemistry is wonderful

His special song to you:

https://youtu.be/VJ2rlci9PE0

Your birthday:

*He gives you a robot butler* To help you around the house

Bully Hurts you:

*He sends a robot to attack him* Your chance of surviving is 0%

He meets your Parents:

*They like him because they believe he will be able to provide for you*