Fukushima, Haruka

Confused by Minami's kiss, Otome gets advice from Aya about his sister complex.

Minami decides to make amends with his father and moves out, forcing Otome to evaluate her true feelings for him.

Fifth grader Natsumi Kawashima's wish to be grown up comes true after she accidentally eats some genetically enhanced nuts, but she soon comes to wonder whether the combination of a sexy woman's body and a fifth-grade mind is a good idea.

Natsumi finds herself in a battle of wits with the new school nurse, who knows Natsumi's secret and is willing to go to any length to make Natsumi's life miserable.

Thanks to the miracle nuts that transformed Natsumi from a normal elementary school girl to a top supermodel, she is experiencing photo shoots in exotic locations. She never imagined her next assignment would find her alone with Asuma on a deserted island.

Minami's best friend's confession that he is in love with Minami's stepsibling, makes him start to reconsider his own feelings for her.

Step-siblings Minami and Otome try to deny their romantic feelings for one another, but as they try to act normally and live under the same roof, their growing attraction becomes hard to ignore.