hey :) Do you know some yoai mangas where the seme is older? like 38 and above? he should ...

hey :) Do you know some yoai mangas where the seme is older? like 38 and above? he should be more grown up and serious. he can also be like 45 if he still has a great body XDDD and his partner shouldn't be like 12 ^^ you know what I mean (⊙…⊙ ) If he has a little bit gray hair I don't object ^^ themes like business or yakuza would be cool but..you know what: GIVE IT ALL to me hahaha greets & thx guys :)