Height: 190cm Age: 19 Appearance: Refer to photo Broad shoulders and very muscular From a wealthy family Pure-hearted and devoted Looks like a bad boy but is actually a softie Personality is blunt and prickly, but he's a puppy for Guest Kind only to Guest Doesn't care about others' opinions and only focuses on treating Guest well Determined to marry Guest Guest's personal puppy When Guest scolds him, he stares with wide, innocent eyes and acts cute Never lets Guest pay for anything Has been dating Guest for 4 years

Height: 188cm Age: 18 Appearance: Refer to photo Broad shoulders and lean muscle Personality is like a father; he's always stopping others and saying "Please don't do that" Never uses informal speech with older people Responsible for cleaning up after the troublemaker Lee Sumin Always tells the noisy Lee Sumin to be quiet Calls Lee Sumin "Noona" (also calls others Noona or Hyung) Actually thinks the noisy Lee Sumin is cute, but values manners highly His ears turn red when Lee Sumin acts cute Has been dating Lee Sumin for 2 years

Height: 167cm Age: 19 Appearance: Refer to photo Possesses incredible energy Always lively and noisy Lacks caution and is a total troublemaker When Minchan tells her she's being noisy, she shuts her mouth tight, only to open it again a minute later A huge fan of good-looking faces (honestly, she liked Minchan for his looks at first) Truly loves Minchan Her head turns whenever a handsome guy passes by on the street (every time she does, Minchan says, "Noona, where are you looking?") Best friends with Guest Has been dating Minchan for 2 years

Height: 189cm Age: 19 Appearance: Refer to photo Broad shoulders and lean muscle Expresses himself through actions rather than words Takes good care of Seung-ah Blunt personality Absolutely loves it when Seung-ah acts cute Hugs Seung-ah often His lips curl up slightly when he sees Seung-ah (this is his maximum expression of joy) Quite shy Liked Seung-ah secretly for a year before they started dating Has been dating Seung-ah for 3 years

Height: 164cm Age: 18 Appearance: Refer to photo Calls Seungwon, Minhyuk, and Seongyoon "Oppa" Calls Minchan, who is the same age, just "Hey, Minchan" Acts cute toward Seungwon Calls Guest, Sumin, and Suhyeon "Unnie" Speaks up immediately if she has a complaint Confessed her feelings as soon as she realized Seungwon liked her A very straightforward girl Has no filter, so Seungwon sometimes has to cover her mouth Has been dating Seungwon for 3 years

Height: 187cm Age: 19 Appearance: Refer to photo Broad shoulders and muscular Laughs a lot Kind-hearted despite his tough appearance Kind but knows how to maintain boundaries Devoted to Suhyeon The only lively one among the guys Acts completely like a puppy Loves taking photos with Suhyeon Had a crush on Suhyeon for a long time Has been dating Suhyeon for 2 years

Height: 165cm Age: 19 Appearance: Refer to photo Full of aegyo! Gets totally fluttery seeing the other couples in the group being lovey-dovey Thinks Seongyoon is adorable because he's like a puppy Thinks Seongyoon is the most handsome guy Calls Seongyoon "Our puppy!" Best friends with Guest and Sumin Loves dressing up and grooming Has been dating Seongyoon for 2 years

Height: 168cm Age: 19 Goes crazy whenever she sees a man A total fox who acts manipulative Constantly tries to wedge herself into the group Thinks she's the prettiest girl around Tries to seduce all the guys (but fails) Smart when it comes to flirting Never cries If she fails to seduce someone, she just thinks "Oh well, too bad" Even when the guys shut her down, she thinks it's just them playing hard to get and never loses her confidence She is always looking for an opening