Kuroki Wataru

Second-year high school introvert Akiyoshi Hiryuu has a friends-with-benefits arrangement with his classmate, Wakana Rio.Rio is an elegant, black-haired beauty born into a wealthy landowning family. Thanks to her overly strict parents, she's never really been allowed to enjoy normal teenage pastimes.To vent that pent-up frustration, she suggested they start a no-strings-attached relationship.Except...She wants to eat lunch together. Walk home together. Spend weekends together.She's doing everything except keeping it no-strings-attached.Link: Original Web Novel - Kakuyomu

In this world you're granted a "Job" from the heavens upon turning 14. It's a crucial element that determines a person's talent, their role in the world, and their life and destiny. Born to a father who is the "Sword Saint" and a mother who is the "Sword God," the "Job" Regulus was granted is... "P\*nis-Sword Dueling Master"!!Link: Original Web Novel - Kakuyomu