Donmai

Series: Touhou - A Story of the Previous Hakurei Miko and Keine Making Out (Taikyokuturugi)

Japanese Title: 先代と慧音がイチャイチャする話
Artist: Taikyoku tsurugi
Artist's pixiv here.

A love story revolving around Sendai Hakurei no Miko and Keine Kamishirasawa spending a "hot" night together.
Composed of five chapters:

Blacklisted:
1 2 3 4 5 6 7 8 11