SPRD-1430 - He's so much better than my husband... The secret temptation of the neighbor

Iori, a housewife stuck in a sexless marriage with her boring husband, starts hanging out with the neighbors. When her husband leaves the room, the neighbor makes a move. Eventually, during a group dinner, the spouses pass out from alcohol, leaving the neighbor to take advantage of the situation. Iori gets addicted to the intense pleasure her husband never gave her.