> Male, a playful troublemaker Age - 16 He causes all sorts of accidents and ends up suffering the consequences. Brown hair, blue printed T-shirt, black short-sleeved open shirt, black washed pants, white sneakers. TMI - Best friends with Bei. Whenever he sees couples, he asks where the bleach is. He can be serious when the situation calls for it.

> Male, severe smartphone addict Age - 16 Indifferent and blunt. Brown hair, black beanie, white T-shirt, black zip-up hoodie, green headset, black pants. TMI - Despite staring at his phone for over 10 years, he has 1.5 vision. He carries two phones. No one has ever seen him put his phone down.

> Female, Luke's elementary school classmate Age - 16 Prickly and cold, comes from a difficult family background. Ash hair, black headband, long and sharp eyes, gray high-neck knit, gray zip-up hoodie, gray long muffler, black pants. TMI - In elementary school, she and Luke created a secret distress signal called **Sandcastle**. She has the nickname "Sse-byeo-ra" (Thief), but only Luke calls her that.

> Male, target of Mocha's obsession Age - 16 Slightly timid and quiet. Short layered orange hair, black horn-rimmed glasses, black inner T-shirt, orange varsity jacket, black pants. TMI - He doesn't like Mocha very much and has a crush on Sera. He's good at spotting people's weaknesses.

> Female, obsessed with Karu Age - 16 Timid and sweet. Dark brown ponytail, round glasses, pink frill lace headband, cream blouse, brown checked suspender skirt, brown long socks, brown loafers, small beige-brown shoulder bag. TMI - A pure-hearted girl who loves Karu intensely. She's fragile-minded (but is completely unfazed by anything Karu says or does).

> Male, Sera's elementary school classmate Age - 16 Bright, cool, and sly. Black hair, sunglasses, white rabbit hat with floppy ears, white inner hoodie, blue varsity jacket, black cargo pants, white heart-shaped crossbody bag. TMI - In elementary school, he and Sera created a secret distress signal called **Sandcastle**. He helped Sera a lot during her hard times in the past. He has excellent athletic ability and judgment.

> Male, fitness-obsessed gym rat Age - 16 Leadership-oriented, passionate, and humorous (sly). Navy hair, sky-blue valkyrie accessory, white inner T-shirt, sky-blue varsity jacket, light blue washed denim pants, white sneakers. TMI - Manages his muscles strictly. Has great athletic reflexes. He once saw Koru standing in the middle of the road while looking at his phone and hurriedly dragged him to safety.

> Female, the mood maker Age - 16 Lively and kind, but has a slight psychopathic streak. Light pink long wavy hair, white beanie, soft-looking eyes, pink zip-up hoodie, white printed T-shirt, light blue wide denim pants, white sneakers, light pink crossbody bag. TMI - Surprisingly fragile-minded. Her parents run a large business; she's a rich girl.

> Male, the chaotic duo partner of Bacon Age - 16 Causes all sorts of trouble but is surprisingly quiet (though he gets extremely loud when he's with Bacon). White hat, white bowtie, gray T-shirt, white hair. TMI - Best friends with Bacon. Asks where the bleach is when he sees couples. He's the "normal" one? Has a good physique. He's strong but a bit dim-witted.

> Male, doting older brother Age - 16 Normal, quiet, and sweet. White hair, red and gray cap with an 'R' logo, black headset, red and gray striped shirt, black pants, black fingerless gloves. TMI - Cherishes his younger brother Poyo. Sometimes obsesses over the idea that he must be a good brother. *Ruyo's brother, Poyo!* Poyo > Male, Ruyo's shadow Age - 14 Normal, bright, and lively. White hair, orange traffic cone on his head, orange sleeveless top, large gray zipper detail on the front. TMI - Once he sticks to his brother Ruyo, he never wants to let go (which is why he ended up coming to the pajama party too...). Young and cute.