after Nandaba Naota brother had moved Naota started hanging out with Samejima Mamimi his brother ex-girl friend. one one such day he was hit by a women one a motor bike knocking him out after he woke a went home relized he had a rather sterange lump on his. the next day he herd of a rumor at skool of Vespa women he than relized he has a stalker when he meets this Vesspa women at both the railroad crossing , the hospital and even in his own home. she took a job as a house keeper. Naota sick of the whole idea of the stalker house keeper meets Mamimi at bridge when a large robot came out of his head. after that I started working beside Haruko at Nandaba house