Characters:

Kwon Yuri

-Gratuated on the Seoul University with her half-sister Yoona.

-Nice, kind-hearted but very shy and insecure.

-Dislike being near boys.

Hwang Miyoung (Tiffany)

-Desesperate by founding a report to her new job on journal.

-Angelic eye-smiled, but actually nice and a little clumsly.

-She's clumsly and not very good near boys.

Choi Sooyoung

-On the cruise because of her sister's prank.

-Funny, cute and an autenticall Shik Shin.

-When get into a relathionship, order her boyfriend to get her food.

Jung Sooyeon (Jessica)

-On the cruise to relax with her sister Krystal and her cousin Nicole.

-Apparently cold and arrogant, but very warm inside.

-She never liked to open her heart.

Im Yoona

-Graduated on Seoul University with her half-sister Yuri.

-Sweet, pretty, nice and charming.

-Is very popular with guys.

Choi Minho

-On the cruise to found some criminals and put them on prision.

-Handsome, but not a flirt and a Flaming Charisma.

-Don't like flirting or dating.

Lee Jinki (Onew)

-On the cruise to job and to teach his younger brother Taemin.

-Clumsly yet cute and obsessed by chicken.

-Very clumsly when's with girls.

Kim Kibum (Key)

-Has a secret mission with Minho on the cruise.

-An autenticall diva, but also cheerfull, funny and almighty.

-Dislike girls and doesn't like relathionships.

Kim Jonghyun

-On the cruise to relax and have nice holidays.

-A casanova dino-head, who likes playing with the girls' hearts.

-Likes flirting and always works... With some exceptions.

Lee Taemin

-Learning about his future job.

-Cute, innocent and charming.

-Very good with girls, without knowing.

Seo Joohyun (Seohyun)

-On the cruise to prove her parents that she's responsible (to don't marry Yonghwa).

-Innocent, cute, responsible and very shy.

-Never thought that she'll fall in love.

-Run away of his parents to the cruise, to don't marry a stranger.

-Cute, shy, a little joker but very nice.

-He thinks that love is painfull.

Minor:

Song Qiàn (Victoria)

Jung Soojung (Krystal)

Nicole Jung

Park Sunyoung (Luna)

Choi Jin Ri (Sulli)

Nickhun Buck Horvejkul

Kim Kibum

Kim Ryeowook

Shin Sekyung