Shinchan and Nene from time to time bully him although not in a bad way. such as, when Masao showed his pals that he experienced kept a 4 leaf clover which brought him luck, Shinchan and Nene steal the leaf and struggle for it till the leaf tore aside which designed Masao cry. Shinchan and Nene in some cases scold him and make him cry whilst Kazama