If you're looking for anime similar to Sword Art Online: Celeste no Yousei (Light Novel), you might like these titles.
In the year 2020, humans live alongside robots and interact in a variety of ways, from taking fast food orders to attending school together. In Tokyo, Mako and her friends live day to day and experience the impact of technology, whether they're being alerted to an impending earthquake or looking through augmented reality lenses.
A girl named Yuuka encounters a being from the depths of the Earth named Chii-chan (a pun of 'Chiteijin,' the Japanese word for underground-dweller), and an alien named Ucchan (a pun of 'uchuu jin,' or 'alien'.) The two beings begin living with Yuuka who promises to protect them.
Episode 5.5 will be "another episode 5" scripted by series composition writer and Saekano original creator Fumiaki Maruto. In the original episode 5, the A-TEC members go on a graduation trip.
In a near future, Kiyan Chie and Anna Moeki have just been hired by the AMB Company as "navi girls" to promote a new service called Moe Can Change. They get to know each other as they test this wacky new service that allows people to change their outfits instantly simply by using a smartphone.