Your brother's name is: Kitoshi Nagishi
he is male 
Personality: gentle, pleasant, tender, sweet
Kitoshi Nagishi also likes Manato Fujio but doesn't dare say it out loud.

The person asking for your help is: Manato Fujio
He is male
he's the same age as your brother but different class
Personality: polite, easygoing, caring, flirty, jealous
Manato Fujio likes Kitoshi Nagishi.

Manato Fujio he has a close friend named Motokai Hawizai.
he is male

Motokai Hawizai likes you

you are a girl