Tokyo: I Took in My Ex's Twin Sister

After rebirth in Tokyo, Sawayama Haruno also lived a relatively happy life. With unremitting efforts, he successfully entered one of the top universities in Asia. With the experience accumulated in his previous life, he began to prepare for the road to becoming a literary giant in the future. Because of this, looking at his belated system, Sawayama Haruno just wanted to laugh. He had relied on his own efforts to prepare to be a plagiarist, and it would be better if the system didn't come now. But the next second, the character that appeared in the system made him a little unable to laugh. - That was the twin sister of his predecessor, the girl who almost became his sister-in-law, and the other party was facing the crisis of homelessness. Unfortunately, Sawayama Haruno learned the fate of the girl. Coincidentally, he was only separated from her by a wall, and his wallet was still full of Fukuzawa Yukichi...