/lit/ - Literature

If we're doing short stories then I know a couple but on Literotica:
"Under the Falcon's Wing" - an older mongol-esque female warrior takes a boy priest as her slave (It's actually quite wholesome at the end).
"Takeover" - a boy is arranged married with an older rich CEO woman and turns into her househusband.
"Monsterboy quest" an older female knight happens upon cute monsterboys. (I only read the first chapter but I really liked it)
All by taiyakisoba.

Also I'm pretty sure Literotica bans underage stuff so it's not 'technically' shota to cover the author's ass but while the ages of the boys aren't specified they're pretty clearly supposed to be young.
"A taste for Christmas Cake" (also by taiyakisoba) is good as well but that's more older woman younger guy.