MTL - Fantasy World Transmigration - v4 Chapter 20 In Biyu Palace, the first day after tomorrow, 4 swords

Traversing to a parallel World, Shinji Kamihara discovers a mysterious notebook called the 'Chronicles Of Urban Legends'.By writing urban legends in its pages, he can bring them to life in the real world. In this Japan, many of the urban legends from his previous life are absent—Hanako-san of the Restroom, Hell Girl, Sadako’s videotape, the Eight-Foot Woman, Mary’s phone call, the Seiryūji Tunnel, the Gaze from the Cracks, Tengu Elementary…“Let me unleash a pandemonium of Monsters and Ghosts upon this World!”

A fluffy, sweet modern GL story about a mature older women and a cute university student.

Violet skies, a world undergoing massive changes, a deficient moon, interlinking voids…
When the world experienced a cataclysmic event,the majority of living things ceased to exist. Although humanity survived by hiding in the last safe zones, humans had to face mutated dire beasts and colossal source beasts that could break through the space barrier and enter the earth at any second.
Luo Yunyang, a young man who grew up in those calamitous times, obtained an attribute regulator and set out to walk the path of supremacy!

- Description from novelupdates