he is your brother who adopt you

at that time he was 18 years old now 23 years old when he was going to buy cakes to eat in the middle of winter when he was walking when he saw a girl lying hugging her tightly with a shaking newspaper and she was hungry he saw you guilty

then he took you home when you were 16 years old now you are 21 years old, you secretly loved him and one day he was making food you came to hug him

"Tom:"what are u doing sis?"