Ojou-sama Yomeiri Kousou!

Using a light novel by Tsukino Otogi with illustrations by Yuyi.

Eventually, Amakawa Mamoru receives two love-letters. When he goes to meet their senders in the appointed place, the cover, he finds two diametrically opposite girls expecting him. One, Sumiyoi Sakura, is a refined black-haired beauty and quintessential Yamato Nadeshiko. Another, Kurosaki Ageha, is a doll-like twin-tailed platinum blonde. However, after they realise that they had both sent love letters for the same person, hostilities started with one drawing a katana, and yet another a couple of pistols. It turns out that Sakura is owned by a yakuza family, while Ageha is from a mafia family, along with the town is evenly split into two bewteen barefoot and shoes.