First we talk about the story characters.
( In this story there are two brothers and they are different type of brothers who live for each other and die for each other )
Now let's come to the main female lead . ( She is a collage student and a great artist. She is good in craft also .)
1 . Luca ( he is a second lead )
2 . Lucifer ( he is the main lead )
3 . Lina ( she is female main lead )
(So in short this is love triangle of L . )