HEROISM++ - Kuga Shu x Toraishi Izumi (lyrics)

FACE-OFF - Kuga Shu x Toraishi Izumi x Kitahara Ren (lyrics)

hanamichi ∞ Go All Out!! / 花道 ∞ Go All Out!! - Hoshitani Yuta x Nayuki Toru x Tengenji Kakeru x Kuga Shu x Ugawa Akira x Toraishi Izumi (lyrics)

Diamond Dust - Shu Izumi & Issei Kuga (lyrics)

End of Night - Shu Izumi (lyrics)

DEAR DREAM! - Hoshitani Yuta x Tengenji Kakeru x Kuga Shu (lyrics)

Hidden Eclipse - Shu Izumi & Eichi Horimiya (lyrics)

Pale Moonlight - Shu Izumi (lyrics)

By Your Side - Tsukigami Kaito x Kuga Shu (lyrics)

Honey! Honey! Trap! - Toraishi Izumi (lyrics)

RADIANT MIND - Kuga Shu (lyrics)

Ironic Blue - Izumi Sena (lyrics)

Kaiketsu Mystery / 解決ミステリー / Riku Nanase & Iori Izumi (lyrics)

Nemuru Ōgarasu / 眠る大鴉 - Ichiru Kuga (lyrics)

Fly away! - Riku Nanase & Iori Izumi (lyrics)

CROSS X TALK - Sawatari Eigo x Toraishi Izumi (lyrics)

ONE dream - Iori Izumi (lyrics)

TERRITORY - Toraishi Izumi x Kitahara Ren (lyrics)

Fure Fure! Seishun Senka / フレフレ！青春賛歌 - Riku Nanase, Iori Izumi & Tenn Kujo (lyrics)

Beautiful Bouquet - Izumi Chikanojo, Osaka Hiromu, Narumi Masato & Hosho Mizuki (lyrics)

Mikazuki no Veil / 三日月のヴェール - Mitsuki Izumi (lyrics)