She can easily cry and is very emotional, such as when a girl made fun of her clothes, and said she smelled. However, she can be very kind and usually wears a smile on her face.
Tsubame considers Gareki an older brother, and looks up to him. Whenver he's not around, she would wonder how he's doing and if he's eating well. She notices the change in him when he entered the academy and even notes how before he wouldn't care for others. She hopes to catch up, and possibly beat him one of these days.
Though she doesn't know Nai for too long, she seems to like him and considers him a friend. When Gareki came to the academy, she asked him about Nai when he was brought up.
At first, she doesn't have very extraordinary abilities, besides stopping her brother from turning into a monster. But it is later revealed at the academy that she becomes very athletic, agile and fast, much to Gareki's surprise.
- Her type of man is "plump man with kind eyes".
- Her name means "young swallow", which could hint to the effects the drug had on her and her brother.
|Circus||Nai • Gareki • Yogi • Tsukumo • Hirato • Kiichi • Jiki • Tsukitachi • Iva • Karoku Arumerita|
|Kafka||Uro • Palnedo • Karoku|
|Research Tower||Akari • Ryoushi • Azana • Murano • Isosa • Tamon|
|Kuronomei Academy||Tsubame • Ranji • Shishi • Sesiri|
|Varuga||Mine • Derumen • Nima • Meiga • Kagiri • Kiharu|
|Defense System||Hitsuji • Usagi • Yukkin|
|Other||Erishuka • Yotaka • Tsubaki • Jingu • Kana • Tokitatsu • Kiripon • Yanari • Rissun|