Ultra: Succubus Body, Saka-Senpai Is Behind You at the Beginning

Parallel world, monster invasion. When I woke up, endless monsters came to Blue Star in a storm. Fortunately, some women among humans have become the lucky ones, able to awaken the Meme of Light and transform into various Ultra Girls! However, Ultra Musume cannot use her full strength. A contracted male is required to transform into a transformer! The stronger a man is, the more powerful he can be in combat! At this point, the Ultra era has arrived! Xiang Yang, who traveled through time, discovered that he was born with a succubus physique. Although it is not too serious, the good thing is that it can grow infinitely! Infinite superposition of five-dimensional attributes! Not only that, but it can perfectly adapt to any Ultra power and exert power beyond the limits! So, At the beginning of the game, Senior Sister Saka is backing up! There are also rabbit-racing schoolgirls, long-straight black-haired Belial chaebol princesses, and even twin sisters Camilla and Carmilla... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.