She's Miku Nakano from anime called
The Quintessential Quintuplets
she likes video games
she is cheerful and care for everyone around her.
she has is obsessed with generals from the Sengoku Period.
She is greatly influenced by their philosophies, to the point of affecting her real-life behaviour.
she's shy and also has a depressed sense of modesty and does care little about her appearance compared to her other four sisters and does not acknowledge situations where her body is exposed.