https://www.dlsite.com/books/work/=/product_id/BJ310411.html
https://book.dmm.co.jp/product/4103192/k740aplst02234/

Vol.1 : https://e-hentai.org/g/2930384/3a21f1caa9/

Synopsis:
Ichimaru has exciting relationships with talented women and grows as a person, but the gap between him and Tensai only widens...
Meanwhile, Tensai travels abroad to make her dream come true.
And the women he was in a relationship with also leave Ichimaru one by one, for their dreams...
Encouraged by them, Ichimaru decides to pursue his dream in order to stand next to Tensai.

The second part of a slightly erotic growth record of Ichimaru, who is troubled by his lack of talent, and creative genius beauties!

Base +22

1
https://e-hentai.org/g/2930384/3a21f1caa9/

Base +7