BUR #12622 has been rejected.
create implication stealth_masturbation -> stealth_sex
create implication stealth_fellatio -> stealth_sex
create implication stealth_handjob -> stealth_sex
create implication stealth_bondage -> stealth_sex
create implication stealth_paizuri -> stealth_sex
create implication stealth_cunnilingus -> stealth_sex
As per the wiki of Stealth Sex, the tag also covers sexual activities other than sexual intercourse, so any post tagged Stealth Fellatio for example, should show up in a search for stealth_sex, yet as we can see post #5628893 for example, does not appear in stealth_sex id:5628893.
Alternatively, if we don't want to imply stealth_sex with various other stealthy acts, we should consider making a super tag to group those and change the stealth_sex wiki/tag to apply only to stealthy sexual intercourse.