|Air date||February 1, 2017 - ?|
|Opening Theme||Lalala Aikatsu Start!|
|Ending Theme||Egao o Arigatou ~BRAND NEW DAY~|
|Predecessor||Aikatsu! Season 4|
Aikatsu! Heart♡ (アイカツ！ハート♡ Aikatsu! Hāto♡) is the fifth season of Aikatsu!, and is directed by HanasakiTsubomi997. The story is about a 13-year-old girl who enrolls in Starlight Academy in order to become the top idol.
- Masami Amanogawa (天ノ川雅美 Amanogawa Masami) - 13-year-old Masami is the new central protagonist, and is a sexy-type idol. She loves to sing and dance, and dreams of becoming the top idol of Starlight Academy. She is very elegant and beautiful, and is confident in her abilities. Her favourite brand is Star Princess.
- Shinju Umino (海野心中 Umino Shinjū) - Shinju is a 13-year-old girl in her first year at Starlight Academy, and is a pop-type idol. She is fun-loving and loves to sing and dance. She is full of jokes to make her friends laugh and is athletic. She was also Masami's best friend since childhood, and is her roommate. Her favourite brand is Surfer DREAM.
- Takara Shimiya (死宮宝 Shimiya Takara) - Takara is a 13-year-old girl in her first year at Starlight Academy, and is a cool-type idol. She is mysterious and is a wonderful singer. She is also cold and believes that she should do things herself, and helps out those who are weaker than herself. Her favourite brand is LoLi GoThiC.
- Kimiko Momozono (桃園后子 Momozono Kimiko) - Kimiko is a 13-year-old girl in her first year at Starlight Academy, and is a cute-type idol. She is kind and loves to help out a friend in need, and is honest and loves music. She loves to have fun, but can be a bit clumsy at times. Her favourite brand is Dreamy Crown.
- Starlight Academy (スターライト学園 Sutāraito gakuen) - The idol school in which Masami, Shinju, Takara and Kimiko attend.
- Star Princess (スタープリンセス Sutā Purinsesu) - Masami's favourite brand. It is a sexy-type brand and is designed by Aimi Nagamiya.
- Surfer DREAM (サーファーDREAM Sāfā DREAM) - Shinju's favourite brand. It is a pop-type brand and is designed by Charlotte.
- LoLi GoThiC (ロリゴシック Rori Goshikku) - Takara's favourite brand. It is a cool-type brand and is designed by Maya Yumekōji.
- Dreamy Crown (ドリーミークラウン Dorīmī Kuraun) - Kimiko's favourite brand. It is a cute-type brand and is designed by Tsubasa Sena.
Masami Amanogawa, a regular girl, watches a 15-year-old idol named Akari Ōzora perform at a concert, and is thus inspired to become an idol like Akari. She, along with her best friend Shinju Umino, enrolls in Starlight Academy in order to become idols. Now being joined by cool-type Takara Shimiya and cute-type Kimiko Momozono, these girls will Aikatsu their hearts out!