Challenge!: Hikari to Tomo ni ga Nokoshita Mono · AniList

Bijin de Okane Mochi no Kanojo ga Hoshī” to Ittara, Wake Ari Joshi ga Yattekita Ken. - MangaDex

Tsuihou Suru Gawa no Monogatari: Nakama wo Tsuihou Shitara Party ga Jakutaika Shitakedo, Sekaiichi wo Mezashimasu. · AniList

Honmono no Kata no Yuusha-sama ga Suterarete Ita node Watashi ga Mora tte mo Ii desu la? · AniList

Toumei Ningen no Hone · AniList

Translation】 Yokujou shita Kare ni ×× sarechau Oshioki CD 「Onii-chan no Shinyuu no Kageki na Dokusenyoku」 – Criy's Forgotten Memories

A Dictionary of Japanese Particles - Sue A Kaw, PDF, Kanji

Hikari／Tsuki no Nukumori, Fragile Dreams Wiki

A Dictionary of Japanese Particles - Sue A Kaw, PDF, Kanji

Onee-chan ga Kita · AniList

Chou Tokkyuu Hikarian (Super Express Hikarian) · AniList

Genkai Chitai (The Liminal Zone) · AniList