Neon Harem Project, Start!

Yu Sakamoto traveled to Japan and got a love system. At this time, he was thinking about the time travel and rebirth stories he had read in his previous life. Looking at this colorful neon, he thought to himself that if he was given a chance, he would win everything and build a huge harem! It is our duty to rebuild the glory of time travellers. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.