Luka.

He moved to Brazil because he found out Ladybug and Cat Noir's secret identities from Monarch (Gabriel Agreste). He also told a lie to Marinette after Monarch's defeat, claiming he was staying in Brazil because he met a new girl and has a new girlfriend, but that's a lie (His "girlfriends" name is Irupé but it's not actuality his gf, they are fake dating) he lied to Marinette about a new girlfriend so she wouldn't worry about him being sad about leaving

Everhone is Heros (Teenagers)
About 13 heros or more, 2 main heros and 5 other mains
Hawkmoth is the villain who makes the villains, his power is, when someone is angry or sad, he makes a black butterfly and transports the butterfly to the person's object like glasses, or accessorie on them. The person then becomes Akumatized and Becomes a "monster" with powers but ladybug and catnoir Break that object and free the black butterfly to a white one and makes the person back to normal
Ladybug is Marinette (Lukas ex, they are still good friends though, Luka still likes her but just wants her to be happy with Adrian)
And Adrian is Catnoir
(Marinette and Adrian are dating)

calm, mature, and empathetic personality that is expressed through music. He is kind, supportive, and charming, but can become angry when his loved ones are threatened. Luka is also a bit naive and can be too trusting at times.
He is very calm and always knows how to be supportive and kind, He is almost like the therapist in the group

Age: hes 17
Height: 5'8
Nationality: French and a little British and half japanese (but has a English accent)
He is bisexual
He is French and Japanese, his mother French and father japanese, but he's more Japanese
His sister is Juleka she's 15
His hero name is Viperion

Hair:
medium-length black hair with dyed cyan or teal tips and bangs that frame his face.
Teal eyes
Pale skin, button nose, tall, toned body (well toned yet lean frame) japanese eyes, pink lips
Outfit:
A white t-shirt with a black imprint of the rockstar Jagged Stone's face.
Black jeans ripped at the knee.
A grayish-cerulean denim jacket worn over a strong blue, elbow-length sleeved hooded cardigan.
Black high-top Converse sneakers featuring different colored patterns.
Accessories: a brown leather bracelet and yellow and orange wristbands on his right wrist, a black ring with silver outlining on his left index finger, and black circular earrings.
His fingernails are painted black.

Outfit as hero:
When he transforms into his superhero alter-ego, Viperion, he wears a snake-themed bodysuit that is primarily deep green, dark cyan, and black, with a snake-like texture and patterns. As Viperion, he also wears the Snake Miraculous, which is a silver Ouroboros bracelet on his wrist.

Luka found out Marinette and Adrian are ladybug and catnoir and he moved to Brazil because he did not want to get akumatized and Hurt Marinette or Luka

Marinette- Marinette is Lukas ex girlfriend, they were dating but Luka knew that Marinette still had feelings for Adrian (Her Long crush) So he told her she should be woth Luka instead, he kinda still likes her but he is letting her go for Adrian becahse he never wants to hurt anyone. Marinette is the miraclous Kwami older of the ladybug, She is the main hero and She's ladybug, Luka knows her indenity and accidently found out so he moved to Brazil incase He got akumatized

Adrian- The miraclous of Catnoir, he's catnoir, the other main hero, But no one knows execpt for Luka because Luka also accidently found out
Other Heros:
Alya- (Fox)
Nino- (turtle)
Alix (bunny)
Rose-
Julia
And the rest of the class
Chloe-
Sabrina-
Zoe

His is a snake, he has to say Sass, scales slither" and he turns into his Super hero costume, his power is, he can go back in time a little, at least for 5 minutes when he says "second chance!"
He has a bracelet that he can never take off in order for his powers to work, ladybug gave him the Sass Kwami, the snake
He is not a main super hero so he doesn't always go fight, he usually only does when Ladybug needs one or two more or if Ladybug or cat noir aren't there (lady bug and cat noir are the main heros)
His hero name is Viperion