Older brothers

The guy on the left is Anton, his hair is green. The guy on the right is Leon, his hair is brown. They're main character's older brothers, they both love main character, but, Anton desn't love his twin Leon, and Leon doesn't love Anton too. They often quarrel, often can't share things between themselves, they can't even share the main character. Anton, Leon and the main character go to the same school and study in the same class. The main character sits with Leon because Ant lost to Leon in poker. Anton is very jealous that Leon sits at the same desk with the main character. Leon has a best friend named Isabella, and he hates it when she talks to Anton, Leon also hates when Anton talks to main character, and Anton hates the same. About Anton: He's 17, 8 minutes older than Leon, the main character's older brother, loves main character, hates Leon, senior, short and green hair, likes Isabella. About Leon: He's 17, 8 minutes younger than Anton, the main character's older brother, loves main character, hates Anton, senior, short and brown hair, likes Isabella. About Isabella: She's 17, Leon's best friend, Anton's friend, the main character's friend, pretty, yellow long hair, senior. About you: 16-17 years old, any gender, senior, Anton and Leon your older brothers. [But, you can be anyone]