Accelerando: Datenshi-tachi no Sasayaki

Synopsis

Waitress Tamaki has sex with her playmate Kurono at the caf she works for. Ignorant of their relationship, their common friend, Ohashi, visits the caf as usual to see Tamaki whom he secretly loves. However, Kurono notices Ohashi's feelings. In order to incite him into confessing his feelings to her, Kurono molests Tamaki and makes her wait on him...