Ojousama no Untenshuお嬢様の運転手 ; The Young Lady's Chauffeur ; The Young Lady's Driver

From Omari's Sister: "It is the Taisho Era at a certain girl's school. There one young lady embodies the ambition and is the envy of every girl. The crimson ribbon adorning her marks her as the top student. She is none other than Yoshimura Sayaka. Always at her side is the chauffeur her family employs, Narutaki Shinobu. Are the two in love as rumored amongst the female student body!?"