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Steins,Gate: Loving Vows of the Future Honey

Steins;Gate: Hiyoku Renri no Future Honey
STEINS;GATE 比翼恋理のフューチャーはにー
Steins;Gate - Hiyoku Renri no Future Honey
Steins;Gate - Loving Vows of the Future Honey

Main Story

manga 2009
What do you get when you cross a microwave with a cell phone? Apparently, a time machine! Self-proclaimed mad scientist Okarin and the Future Gadgets team now have the ability to send text messages into the past. Will this newfound power be used for personal gain? To change the world? Or for something much more sinister... ? (Source: Udon Entertainment)

Alternative

manga 2011
Spin-off of Steins;Gate, based on the Kurisu route of the Hiyoku Renri no Darling game.

Alternative

manga 2012
Adapted from the Faris route of Steins;Gate Hiyoku Renri no Darling.

Other

manga 2011