Does the God of Sports Play Volleyball Too?

[Primarily Haikyu!!; the protagonist starts out as a team manager and begins playing volleyball in Chapter 49] [Jujutsu Kaisen + The Disastrous Life of Saiki K. + basketball + running + swimming + skateboarding + soft tennis] Synopsis: # Got lost in kindergarten and ran into a brat who was skiing # Learned to swim with a group of four at a swimming club in elementary school # Earned a place on the Rainbow Team in middle school # Became manager of Karasuno High's volleyball club # Also has an older brother on the track team at Kwansei University, preparing to compete in the Hakone Ekiden Kiyose Harusumi thought his life would be a sports manga. Who knew it would turn out to be a horror romance manga? [This was supposed to be a world governed by science. But an evil force from another world took advantage of a moment of weakness. Creatures known as "curses" quietly began infiltrating ordinary people's lives... This world needs the protection of a new god.] [The God of Love Development System will help you attain godhood and save the world!] Kiyose Harusumi: ...I don't even have the energy to complain. Oh well, who would turn down another divine title? :D An unlucky game System bound itself to player Kiyose Harusumi. Dutifully supporting the player's love life, it repeatedly paid out of pocket to buy all kinds of quest items for him. At last, the System's little nest egg was drained, and the player had finally been pulled onto the divine throne. But only then did the System realize that the player already had a divine position! Kiyose Harusumi: Huh? Didn't I tell you? P.S. [Harusumi's Divine Title 1: God of Sports: All kinds of athletic boys are always gathered around him.] [Harusumi's Divine Title 2: God of Love: The affection meter can display the love and friendship levels of everyone nearby at any time.] [Harusumi's Superpower, "Give and Take": The bigger your imagination, the greater the power; the worse your luck, the more embarrassing the side effects. One psychic commented: "Stay away from him, or you'll become unlucky."] Reader Advisory: 1. The author has eaten the logic. 2. There's a little selfcest at the end. Theme: A young person's passion and courage are the rudder and sail that guide the voyage