Chronicles of the Ninja
Ninja¸ mysterious¸ silent and deadly. This concise supplement for Kaigaku (plus the Black Hack and other OSR games) has setting information about shadow warriors¸ plus two new ryu. One is for an unaligned ninja family and the other is for the new lesser clan¸ the Horokame. Learn how to create illusory doubles or project your mind to find out your enemies' deepest secrets.
There's also a brand new adventure¸ Ninja Attack! You can play this scenario with your group or as a highly replayable solo option.
All this and more in the pages of the Kaigaku Chronicle. Make sure to check out the free version of Kaigaku ¸ a complete standalone game. You can upgrade to the premium version ¸ in PDF or print¸ for 18 more character schools¸ crafting rules¸ a deeper setting and more.