The hentai based on a series of Mang from Seto Yuki. The main character Tamaki likes to have sex with his best friend Kurono at the café where he works. Ohashi their common friend secretly in love with her and comes every day in the cafe. Then Kurono and decides to help his friend and brings him to the Tamaki…
Accelerando: Datenshi-tachi no Sasayaki, アッチェレランド ~堕天使たちの囁き~, Accelerando ~Whisper of Descending Angels~, 아체레란도: 타락천사들의 속삭임, Accelerando
