Houshou Marine releases dance collaboration video with Iyochan

• ·Houshou Marine published a YouTube Shorts dance collaboration video with Iyochan, a VTuber, titled "Houshou Marine × Iyochan danced 'Kyapi' sexily" on 13 September, with viewers responding positively to the content.
• ·A collaboration varsity jacket with VTee titled "Dead Ma'am's Chest" began pre-order sales on 12 September, covered by multiple news outlets and receiving positive reception from fans.