Zongman: People in Tokyo, intercepting Huiyuan Ai

Because of her succubus attributes, she was kicked into another world.
Bad news: My parents were celebrating their death, and my girlfriend had no sense of boundaries and was being affectionate with her male best friend.
The good news: it’s not me, but a homologue from another world. I am wearing the body, and the other person has become a memory of mine.
He made a promise to Hanyu Genichi, who had become his predecessor and replaced him as a memory.
"Don't worry, brother. I'll help you deal with that woman with no sense of boundaries and her green tea boyfriend."
Then Hanyu Genichi discovered that the woman without a sense of boundaries was called Sawamura Spencer Eriri, and her green tea boyfriend was called Aki Tomoya?