From Gaku Gaku Animal Land:

Yukari and a young Reimu muse about the boundaries between human & youkai, and children & adults.

A manga anthology based on DMM and Nitro+'s browser game Touken Ranbu -online- where the sword boys attend high school.

Original manga can be viewed here (花LaLaonline app needed to be able to read)

A manga anthology based on DMM and Nitro+'s browser game Touken Ranbu -online-

http://www.jp.square-enix.com/magazine/top/introduction/detail/9784757547063.html