MTL - My Turret Has a Caliber of Three Thousand Meters - Chapter 12 : "Unconsciously, I'm used to buying at 0 yuan."

Kanda Kyoichi transmigrated to Konoha and became a temporary instructor at the Ninja Academy. Fortunately, he awakened the Mentor System.By teaching others, he could earn rewards.Thus began Kyoichi’s career as a “teacher” in the ninja world.Shisui: “Sensei’s unique interpretation of the Will of Fire has given the Uchiha Clan a true sense of direction!”Asuma: “The essence of the jade lies in protecting the people, with the advanced leading the way for the less experienced. Only then can Konoha become stronger!”Kakashi: “He’s my life mentor. He transformed Konoha!”...Years later, in the memoirs of Kyoichi, now the Hokage, he wrote:“I honestly just wanted to be a life mentor!”

In a modern world where cultivators need a place to cultivate or vent their boredom, there are private businesses that set up instance dungeons with the aid of technology and cultivation magic to enable cultivators to train and commoners to experience the life of cultivation. They are called dungeon suppliers.
Xie Jin's one and only dream was to be a dungeon supplier and when his only relative passed away, the relative's inheritance gave him a plot of land and surprisingly, a 'System' Module which the relative had previously used.
With the help of the system, Xie Jin decided to pursue his dream of becoming the number one dungeon supplier.

“How did it go?” Lily asked the next morning when Ava got to the living room.“Terribly.” Ava replied flatly, dropping into one of the sofas.Sarah entered almost immediately and sent Ava a teasing and wicked smile.“Really? That bad? Lucas is really great in matters of the bedroom. Did you do something wrong?”“Our little new concubine here is a virgin.” Sarah announced. Lily gasped and covered her mouth.“Oh God. That is not the kind of man you want to lose your virginity with,” Lily said.Sarah burst into laughter at Lily's comment.“It's not funny,” Ava scowled.“Actually it is. Better warm up to the idea because when Alpha Lucas Raventhorn wants to take you, he will in the roughest way possible.” Sarah advised.“You mean like last night? I thought he was going to rip you in half.” Ava rolled her eyes.“I like my men rough.”“Well, I don't.” Ava retorted.“If you are looking for flowers, love, and vanilla sex. You are a concubine to the wrong alpha.”“Ain't that the truth.” Ava murmured under her breath

Dale Mitchell, your average guy in a below-average job. But, what happens to him is anything but average. After hitting someone in his truck, his world was turned upside down, inside out, and more than fifty shades of grey.

Now, he seems to be something called a World Keeper, and must create and manage his own world. Is this his afterlife, or something else entirely?