Famitsu.com has posted an article with many pics of My Little Sister Can't Possibly Be This Cute Portable sequel My Little Sister Can't Possibly Be This Cute Can't Possibly Be Continuing.
According to the Famitsu article, the sequel features new scenarios and characters. The scenarios are being done under the supervision of Tsukasa Fushimi, creator of the original work. As for the characters, the site introduces Sena Akagi, a new appearance in the sequel. She's into boys love.
Main little sister Kirino's classmate Kanako Kurusu will also be in the game now as a heroine.
The game's Live2D animation system is also seeing improvements. Here are some sample pics of Kanako.