Ai-eki-mamire No Hanayome.

At night, the main character in a bride's dress shakes off the voices of restraint and is driven to a cliff. And then she fell... When she wakes up, a stranger who claims to be her lover appears in front of the protagonist. The main character is confused because he can't regain his memory. But he knew he was in love with him. And she entrusts herself to the intense caress from the man.