Donghae and Jessica dated(together) for 2 years and they decided to get married. They had 3 childs, 2 girl 1 boy

1st: Alicia Lee HaeYeon (Girl)
2nd: Olivia Lee YeYeon (Girl)
3rd: Vincent Lee SooHae (Boy)
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Characters: 


- Jessica Jung
- Pretty, Rich, Cute
- Best friend of Yuri and HyoYeon
- DongHae's lover
- Loves DongHae a lot


- Lee DongHae
- Handsome, Rich, Cute
- Best friend of EunHyuk
- Jessica's lover
- Fall in love to Yoona


- Kim TaeYeon
- Pretty, Rich
- Best friend of Tiffany and Sunny
- LeeTeuk's lover
- Loves LeeTeuk a lot


- Park LeeTeuk (real name: Park Jung Su)
- Handsome, Rich
- Best friend of HeeChul
- TaeYeon's lover
- Fall in love to Yoona (note: In real life, LeeTeuk love Yoona and ask Yoona to marry him when she is older.)


- Sunny Lee
- Pretty, Rich, Cute, Funny
- Best friend of TaeYeon and HyoYeon 
- SungMin's lover
- Loves SungMin a lot


- Lee SungMin
- Handsome, Rich, Cute, Funny
- Best friend of RyeoWook
- Sunny's lover
- Loves Sunny a lot

- Tiffany Hwang 
- Pretty, Rich, Cute
- Best friend of TaeYeon
- HeeChul's lover
- Fall in love to DongHae during SNSD's kissing you MV (note: not in real life)


- Kim HeeChul
- Handsome, Rich, Funny
- Best friend of LeeTeuk
- Tiffany's lover
- Loves Tiffany a lot


- Kim HyoYeon
- Pretty, Rich, Funny, Strong, Good in Dancing
- Best friend of Jessica and Sunny
- EunHyuk's lover
- Loves EunHyuk a lot


- Lee EunHyuk (real name: Lee HyukJae)
- Handsome, Rich, Funny, Good in Dancing
- Best friend of DongHae
- HyoYeon's lover
- Loves HyoYeon a lot


- Kwon Yuri
- Pretty, Rich
- Best friend of Jessica, Yoona, SeoHyun and SooYoung
- Yesung's lover
- Loves Yesung a lot


- Kim Yesung
- Handsome, Rich, Cute
- Best friend of KyuHyun and SiWon
- Yuri's lover
- Fall in love to Kara Hara


- Goo Hara 
- Pretty, Rich
- Fall in love to Yesung


- Choi SooYoung
- Pretty, Rich, ShikShin (meaning: Big Eater)
- Best friend of Yoona, SeoHyun and Yuri
- RyeoWook's lover
- Loves RyeoWook a lot


- Kim RyeoWook
- Handsome, Rich, Cute, Funny
- Best friend of SungMin
- SooYoung's lover
- Loves SooYoung a lot


- Im Yoona 
- Pretty, Rich, Funny
- Best friend of SeoHyun, Yuri and SooYoung
- SiWon's lover
- Fall in love to DongHae


- Choi SiWon
- Handsome, Rich
- Best friend of Yesung
- Yoona's lover
- Loves Yoona a lot


- Seo Joon Hyun (Seohyun)
- Pretty, Rich
- Best friend of Yoona, Yuri and SooYoung
- KyuHyun's lover
- Loves KyuHyun a lot


- Cho KyuHyun
- Handsome, Rich
- Best friend of Yesung
- SeoHyun's lover
- Loves SeoHyun a lot
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I'm not really know about Super Junior's best friend is who and who, but I only know that EunHae :)