The story takes place after the TV drama collection Ossan’s Love (2018). It has been a 12 months since Haruta and Maki pledged their timeless love. Haruta has now come again and receives a heat welcome from acquainted faces, his boss Musashi Kurosawa and different colleagues. Justice Yamada, a recruit who has been lately assigned to this department, welcomes him too. At some point, utterly out of the blue, the headquarter-based mission group “Genius 7” reveals up on the Second Gross sales Department. Challenge chief Jin Mamiana orders the Gross sales group to assist them of their huge mission. Maki, who had been transferred and works now on the head workplace, is among the many mission group members with Mamiana. Haruta and Maki develop aside, and Haruta groups up with Justice. Then Kurosawa will get concerned in an accident and loses his reminiscence, however the lack of his reminiscence is selective and he has forgotten solely Haruta. Nonetheless, when Kurosawa sees Haruta, he falls in love once more.. Hilarious and heartwarming, the ultimate battle of Ossan’s Love begins.