Mangas

ゆるりずむ, Yururism
After Suzuhara Hibiki recites a spell at a secluded onsen marked on a map entrusted to him by his late granfather, a resident of the onsen world, Mahiru, suddenly appears.Realizing she can't return to her world, she decides to live together with Hibiki.On their way back, they run into the class president Fujishiro Yukari, proprietress of an onsen inn, with another spirit of the onsen world as its guardian...A romantic comedy of three students and two guardians of onsen interweaves with a misterious story of onsen... 
ゆるりずむ -  Yururism
Hibiki Suzuhara....It's the name of the boy who has a special kind of world...The world of Onsen....As he summons one from a hot spring she is not only quite comfortable..She is frikkin hot, with boobs to match her body..Follow them as they take each day together from which disaster strikes...in the form of sticky situations.
ゆゆ式, Yuyu Shiki, Yuyu-Shiki
This 4-koma style manga features three school girls as they hang out and chat. Friendly, clueless Yukari, enthusiastic, childish Yuzuko, and the more level-headed Yui hang out and talk about various subjects, like ketchup and mayonnaise, hands, the sun and more. [tethysdust]