The 5th work of the media brand featuring the ultimate legal loli beautiful girl, Fuka Hoshino! Fuka Hoshino-chan, whose beauty level has increased significantly. In this work, she will actively ask you for sexy things. You, who ended up raising your niece Fuka because of your brother's misfortune. When you visit the mansion where Fuka lives, Fuka bravely opens the door and welcomes you. You, who are completely captivated by Fuka's gestures and lovely beauty. The fact that Fuka is actually a succubus and you will realize it much later... Please enjoy this thrilling and mysterious sweet experience!