The hidden rotary style of design innovates the concept of toilet seat, incorporating technology into minimalist design. Introducing furniture style, the idea of integrating a traditional flip cover with bearing makes the toilet an organic whole that furthermore reduces the growth of bacteria and requires less frequent cleaning. The shape of SERENITY adheres to human ergonomics with an inward bottom edge, avoiding direct contact with the user's feet in order to achieve an optimal experience. SERENITY presents itself with simple beauty, offers a quiet and relaxing lavatory space and rethinks the art of life.