Banba, Mahiru

番場真昼真夜

Mahiru is a shy and timid girl who often struggles to speak for herself. She is easily bullied and frequently finds herself defenseless.
However,

Spoiler

It can also be noted that Mahiru and Shinya's names also have polar opposite meanings, with Mahiru's (真昼) being "midday" and Shinya's (真夜) being "full night". Mahiru / Shinya wears black and white socks, possibly to represent this split personality. As well, her school uniform seems to have a somewhat odd color scheme.