Kogal to Sugosu Seishun

At 46, Masamichi Morozumi is a serious company employee. However, his wife left him, leaving him in despair. Suddenly, he finds himself heading towards a certain mountain. There, he discovers the opportunity to reset his life. His dream? "I want to date a kogal!" Having lived a serious life, he desires to live joyfully, carefree, and brightly, and most of all, he wants to date the object of his youthful admiration: a kogal! His wish is granted, and when he wakes up, it's in Shibuya in 1995, in a club! With knowledge from the future and the skills of a businessperson, he starts seducing Shibuya women left and right!

(Source: Kodansha, translated)