The HSP-OSAMURAISAN シグネチャーストラップ 紫黒 Black is a signature guitar strap developed in collaboration between Headway and artist Osamuraisan. It is made of PVC leather and measures between 1250mm and 1430mm in length, with a maximum width of 63mm. The design, inspired by the concept “紫陽花は縋り付く” (Hydrangeas cling), is laser-engraved and features delicate artwork by illustrator Shibao

Osamuraisan satin scrunchie in pastel tones, official elegant and practical accessory.

Osamuraisan Fret Pendant Necklace, an elegant piece of jewelry inspired by a guitar fretboard. The perfect accessory for musicians and fans of Osamuraisan, combining passion for music with a refined style.

Album “Osamuraisan Selection Vol.8” – acoustic virtuosity and refined guitar arrangements.

"Flame Of Deliverance" is a 2022 CD album by the Japanese metal band IRON ATTACK!. It features metal arrangements of music from the Touhou Project series, offering a mix of vocal and instrumental tracks for J-Metal fans.

Explosive doujin anisong album by IRON ATTACK! – anime-inspired metal riffs and raw Japanese indie energy. A must-have for authentic J-Music lovers.

Enter the intense world of IRON ATTACK! with MAZE of gradation , a powerful album blending symphonic metal , epic melodies , and captivating female vocals . This Japanese doujin CD features original compositions inspired by fantasy and gothic aesthetics—ideal for fans of underground J-metal.

Album “Osamuraisan Selection, Vol. 40mP” – acoustic guitar covers of 40mP’s compositions.

Sound Violence / Second Violence CD by Koutetsu Aniki, special edition with bonus pick. Japanese metal mini‑album (2018), Nekoze Records.

The HJ-OSAMURAISAN II acoustic guitar is a model developed in collaboration with lead guitarist Osamuraisan. Osamuraisan’s signature model has been renewed under the name “HJ-OSAMURAISANⅡ”. The concept remains the same: a guitar focused on ease of play, ideal for beginners and those who share their videos on the Internet, just like Osamuraisan.