looking for a lost gem

I NEED HELP ASAP(i will tell u all i know.) top and bottom meet in highschool and they fk for a lil and i THINK the bottom leaves the top???? and moves on, then the top becomes rich i think hes a loan shark or smt bc thats how the bottom met him(he owes debt) then the top locks him up in his house so he cant runaway and fks him while he stays.(bear with me i have bad memory and this was 2yrs ago....) ITS A SMUT, YAOI