If you're looking for manga similar to Legendz: Yomigaeru Ryuuou Densetsu, you might like these titles.
In a world where the battle between humans and monsters has ended, the Hero's son Stan and his assistant Myra start living in "a town where humans and monsters coexist." But what is the surprising "community development" plan that Heim, the former head of the Demon King's army, has proposed...?!
The story of a young dragon girl being lazy, doing her best...and being lazy again.
On Pomello Island, a wayward genius named Enji has finally decoded the Encyclopedia of Summoning and with it the knowledge to summon and control the dreaded Yellow Dragon. The power of the Yellow Dragon is to command all the animals of the world; and with it Enji plans to at last gain fame, respect, and the affections of his beloved Moegi-san. The conditions are right, the huge egg opens, and out walks... a little girl? Enji's plans for world domination and winning the love of Moegi-san just fell apart. Or have they...
After saying "I wanna go somewhere far away..." in front of Hakase, Yukko and friends are flung into the far reaches of space. They encounter a planet where anything you say becomes real, and enjoy themselves to their hearts' content. But at the same time, Tokisadame City is faced with a fearsome threat?!
When I came down with a cold and was bedridden, a beautiful woman wearing cat ears appeared before me. But it turns out that she was actually my pet cat...?! She's usually calm, cool, and collected, but put cat ears on her and she's fawning all over me. How will my love with this mysterious beautiful woman turn out?
Eiji is a high schooler living with his father - a novelist who can't sell his works. Eiji is rather anti-social, nerdy, and worst of all, poor. But he is a kind, honest young man who never forgets how his deceased mother taught him to be compassionate towards others. He (along with everyone else) deeply admires his classmate Aoi-san, the daughter of the president of a large corporation. But Eiji had never been able to face her due to the enormous difference in their social standings. One day after school, he returns home to find that Aoi had come to visit him, and there, she says a few words that astonish him even more than he already is...