Hunter Qijie's "The Flower of Time"

"Flowers of the Season" ──The golden flower that blooms when we meet Thirteen-year-old Killua is a high-profile newcomer in the Yin Yang Residence. As the best heir to the Beat family, he must also perform special tasks assigned by his father at night. One day, he unexpectedly met a mysterious young man with golden eyes who was about the same age as him... *Onmyoji paro. [Unrelated to mobile games] I haven't played it... I would say it's probably Shaoyin Paro *Onmyoji Strange(13)×Shikishenjie(13) *Comes with tag: Heian Era AU *The full text and follow-up are complete and will be moved when I have time. Concept: Killua is also Gon's light