In another world, falling in love with my girlfriend's mother!

The story is about a protagonist who is unexpectedly sent to another world alone with the mother of his childhood friend. While searching for a way to return home, he deepens his bond with her and the people of the other world. { This is an R18 Japanese novel that I am translating purely for non-profit purposes. The original author is SoftCareer, and all rights belong to him. If SoftCareer wishes for this translation to be removed, please let me know in the comments, and I will remove it. Thank you. }