Steins;Gate: My Darling's Embrace (2011)

Spin-off of the popular Visual Novel "Steins;Gate". It is set up in a peaceful world line where okabe can hang out romantically with all the main characters of the original novel: Makise Kurise, Shiina Mayure, Kiryuu Moeka, Feiris, Suzuha Amane and Urushibara Ruka. Okabe ends up in the Delta world line (>3% of divergence) after conducting numerous experiments with the D-mail. When Okabe comes to, he finds the lab members preparing for a party and that due to successive experimenting the Future Gadget Laboratory's electric bill has skyrocketed. To compensate for this Okabe tries waitering and decides to sell the latest Future Gadget. (Partially adapted from the Steins;Gate wiki).

Storyline

After repeated D-mail experiments, Okarin jumps to a world where 3% shift in world line was to be expected. And before he knew it, Kurisu as well as the rest of the members have been gathered and amidst preparations for a banquet. In this world, a new gadget had been created but the group is facing some troubles. They can’t afford to pay the electricity bill due to running too many experiments. Let’s see what this new gadget can do for us… The concept for this game is a love comedy with some sweet romance scenes and where 99% of the world is science but 1% is composed of … fantasies?!