Sevens - Volume 18 - Chapter 6: Laughing Celes

Chen Mobai, a third-year student of Xianmen No. 5 High School, is working hard to review and prepare for the entrance to Daoyuan. The direction of his efforts is: to develop a new world

- Description from novelbuddy

An orphaned boy with dreams of making it big through being a blacksmith is given a once in a lifetime chance to succeed when he's taken in by an odd pair - Eggor and Ella. While former teaches him the arts of craft, the latter teaches him the mysticism of cultivation, granting him two paths to tread in this life.

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

This is an extremely difficult game, if you don’t have enough skills, don’t even think about going out!

- Description from Novelupdates