If you're looking for manga similar to Naruto Spin-Off: Rock Lee & His Ninja Pals, you might like these titles.
When Kaede, a girl frustrated with her grades like any other teenager, finds a female Ninja attempting to steal her underwear, she didn't expect a friendship to be the result. And as the modern day world of ordinary high schooler Kaede collides with Ninja-in-training Shinobu, she soon comes to discover that the world of modern day Ninjas are filled with parties, picnics, and the training of the elder master Ninja yellow form changing glob: Onsokumaru!
Eren and Mikasa enter a new school-- Titan Junior High! However, Eren's hated Titans for years-- can he get along with his new (harmless?) classmates? Featuring all of the characters from the main series as you've never seen them before, this series is sure to delight fans of Attack on Titan with a human vs. Titan volleyball match, a Titan rock band, and much more!
A super-deformed version of Kannagi created by the original author's brother.
Journey back to Lodoss Island for tales of dragons and dwarves, paladins and princesses, magic and...madness?! All your favorite characters from Record of Lodoss War are back and sillier than ever in this series of madcap short strips that poke fun at all the high fantasy stereotypes you have come to love.