Debut and Idol Career
Hattori Tsubame (服部つばめ) is a Japanese idol and performer and a member of the group BELLRING Shoujo Heart. She joined the group on April 1, 2023 as part of the lineup that relaunched the group after several years of inactivity, and made her stage debut with the new generation of members on April 16, 2023.
Before joining BELLRING Shoujo Heart she was active in the idol group Kokuu no Kalmia (虚空のカルミア), where she performed under the stage name Leia (恋愛). She graduated from the group on November 24, 2021 before later returning to idol activities. During the early announcements for the revived BELLRING Shoujo Heart lineup she also briefly used the temporary name Pancake (パンケーキ) before her official stage name was revealed.
Personal Information
Hattori Tsubame was born in Kanagawa, Japan and her birthday is April 26. She is known by several nicknames including Ohattori (おはっとり), Tsubame, and Hattori-chan. Her member color in BELLRING Shoujo Heart is orange.
Early Life
From a young age she enjoyed physical activity and sports. As a child she participated in long-distance running and swimming, and later joined the softball club during middle school. She has described herself as an energetic and active child, often spending her free time outdoors playing sports with friends. However, negative experiences during her school club activities led to a period where she lost confidence in herself and became more withdrawn.
Interest in Idol Activities
Her interest in becoming an idol developed during high school while searching for ways to enter the entertainment industry. While researching auditions she discovered artists such as BiSH and was inspired by their individuality and powerful performances, which changed her perception of what idol music could be.
She later auditioned for the revived BELLRING Shoujo Heart after a fan suggested the group might suit her style. After watching live videos of the original lineup she felt drawn to their intense and expressive performances, describing them as idols who performed “with their whole body.”
Performance Style
As a performer she places strong emphasis on expressing emotion through live performances and often experiments with different ways of performing songs on stage. She has said that she enjoys singing in particular and hopes to continue developing her voice and stage presence as she grows as an idol.
