Sabrina Annlynn Carpenter (born May 11, 1999) is an American singer and actress. She first gained recognition starring on the Disney Channel series Girl Meets World (2014–2017), and signed with the Disney-owned Hollywood Records. She released her debut single, "Can't Blame a Girl for Trying" in 2014, followed by four studio albums: Eyes Wide Open (2015), Evolution (2016), Singular: Act I (2018), and Singular: Act II (2019); three of her singles—"Alien", "Almost Love", and "Sue Me"—topped the US Dance Club Songs chart. Carpenter named R&B as a genre that often influences her work. She cited Christina Aguilera and Rihanna as her biggest musical influences.Carpenter stated that Aguilera's 2002 song "Beautiful" helped her "showcase and develop [her] own voice",citing Aguilera's vocals as an inspiration.She has also named Aretha Franklin,Whitney Houston and Etta James as early musical influences, and cited Taylor Swift and Lorde as her songwriting influences. She claimed that Swift's live performances and work ethic have inspired her. In an interview with Rolling Stone, Carpenter said Madonna, Britney Spears, Mariah Carey, and Aguilera were some of the artists who introduced her to pop music.

Alisa is a beautiful and talented first-year student who is popular for her looks and cold attitude. She was born to a Russian father and a Japanese mother. She occasionally makes remarks in Russian, which confuse her teacher and her classmates. Though she is popular and attracts the attention of many boys and girls at school, because of her cold demeanour, Alisa doesn't have many friends and isn't very experienced at social interaction. She is Maria's younger sister. She spent part of her life in Vladivostok, where she had difficulties making friends. She is the Student Council Treasurer, and is running for the next Student Council as the proposed President. Her cold attitude could be rooted to her experiences in Vladivostok. Work hard on her own and avoid working with others, leading to her cold attitude. She likes to eat sweet food, and is afraid of eating spicy food. Alisa's older sister, a second-year and the Student Council Secretary. She has a sweet and gentle personality, and is always caring of these around her, especially Alisa and Masachika. She is just as beautiful and popular as her little sister. She likes to make black tea for herself and other Student Council members. She also likes cute things, once attempting to buy several dolls to be put inside the Student Council room.