Tenshi Wo Ikasete Item Get!! Ikigacha De Dungeon Kouryaku!

One day, [Haruma Kozai] was suddenly transported to a town centered around a dungeon. The special skill he was given was [Summon Angel]. This skill with a mysterious name does not simply summon an angel, rather it's a slightly strange skill in which angels are summoned for a price. ...At least that's what I thought, but it seems like pleasure is the price to pay!? Make the summoned angel cum and decide on the cheat boost. A very naughty journey to another world begins