Adult PC Game: Angel Game (jap) by Atelier Sakura Archive

Circle dying person and wanted to have sex gather "Angel".
Usually, he partner and sex do not know the names, or mischief of what fate, had gathered four sets of knew each other.
Boss of the career woman and his followers that she is angry every day.
Wife seriously is working as a school teacher and almost merit.
Appearance of friend who refined and college students with extraordinary good looks.
Mediocre youth and school girls sister who is everywhere.
One rule only.
"By the time the morning, it is necessary to someone and sex in this"
Overnight to swirling of jealousy and desire, was about to begin now.