Also known as: 紡乃世詞音(蕾), 紡乃世詞音蕾
Tsunose Kotone's Tsubomi design, released alongside her main A.I. Voice voicebank.
Like other Tsubomi, Kotone's Tsubomi design is noticeably younger. In contrast to her main design, she has shorter hair and wears a white Sailor Hat, Sailor Collar, and Shorts along with a black Undershirt and a Shoulder Bag.