つづみぐさ (Tsuzumigusa), also subtitled "DANDELION" in English, is a VOCALOID song by Japanese producer Iyowa (いよわ) featuring Hatsune Miku. Iyowa handled composition, arrangement, lyrics, and the music video themselves, making the entire audiovisual package a cohesive expression of their artistic voice. The track originally appeared on Iyowa's self-titled 2023 album つづみぐさ before arriving in maimai DX as part of the BUDDiES PLUS update on April 26, 2024, under the niconico & VOCALOID genre. The song serves as a character song for ライオン (Lion) from the まいまいまいごえん (Maimaimaigoen) series, informing the lyrical imagery of pride, protection, and quiet strength. The title つづみぐさ is a traditional Japanese name for the dandelion, the seed head's resemblance to a tsuzumi (鼓), a Japanese hand drum, gives the weed its poetic name. This botanical metaphor of fragility and resilience runs through the song's narrative, paired with motifs of lions, trembling hands, and a balancing scale knocking at a cage. In maimai, the DX chart set spans Basic (Lv 3), Advanced (Lv 7), Expert (Lv 10), and Master (Lv 13.3). The Expert chart was designed by サファ太 (Safata), while the Master chart was crafted by はっぴー (Happy), whose 13.3 arrangement packs 781 notes with a pronounced emphasis on Slide and Touch patterns, a signature of his design approach.