Some of the books and magazines that Hikaru has appeared in are as follows.

2024.10.03	Shounen Champion 2024 No. 44	photo collection, poster, COLOR {6 P, cover}
2025.05.02	Nikkei Entertainment! June 2025	Gakumas article, COLOR {? P}
2025.05.08	Shuukan Famitsuu	Gakumas article, COLOR {? P}