Finally, a kiss with Armor-zuka-san!? In order to kiss Armor-zuka-san, the two gradually close the distance through Pocky games, kiss marks, and various skinship. Kuromi, at the peak of happiness with Armor-zuka-san's melting expression, finds herself in a twist when she visits Armor-zuka-san's house on Valentine's Day, only to be confronted by Armor-zuka-san's colleague, Suzutani-san!! A heart-fluttering girls' love story with a delightful age gap, Volume 3!