(Doujin DVD) Hikikomori Demo Tabi Ga Shitai! (I'm a Shut-in But I Want To Travel!) Vol. 4: Time Slip - Edo Jidai ni Modotte Shinsengumi ni Nattari Ninja ni Nattari (We Go Back to the Edo Period and Become Shinsengumi and Ninjas and Stuff)
Release Date: 06/14/2018
Four utaite - Mafumafu, Amatsuki, luz and Aho no Sakata - are living their lives of inertia when one day they receive a scroll. They are enveloped in a blinding light, to find... Nagaya? Top-knots? They're somewhere they've only seen long ago in textbooks: the Edo period!
"You over there! You look suspicious! Everyone, on your guard!"
Before they know it, they are face-to-face with goyou police lanterns, and escape by they skin of their teeth by pretending to be members of the Shinsengumi... Things don't look so good for the gang - how will everything turn out?
This installment is about time travel! Can they use shuriken, ninjutsu, and archery to get back to the present day? Calling all modern ninja (read: shut-ins)! The hour has come for you to awaken!