葉山舞鈴(通常)
The first/original default costume of [[Nijisanji]]'s [[Hayama Marin]], as seen in post #3579597. 

Her default costume consists of a [[lime hair ornament]], [[hibiscus print]] [[blue hoodie]] with [[detached sleeves]] that [[sleeves past wrists|extend to her hands]] plus a [[zipper]] opening to her left waist, [[short shorts|short]] [[black shorts]], [[yellow belt]], and [[sneakers]]. It is also revealed in the reference sheet that she wears a [[striped bikini]] [[bikini under clothes|underneath]] the hoodie and shorts.
hayama marin (1st costume)