PURPOSE: To bring a writing body to an incorporating or writable state by the operation of one finger as a main body is left as it is gripped by engaging a pushing piece, which is arranged onto the outer circumference of the main body in a section being no hindrance to a hand and fingers when the main body is gripped for writing and can be selected as the main body is left as it is gripped, with the front section of the main body.

CONSTITUTION: The tile composite writing utensil has a plurality of writing bodies 5-8 housed into a main body, connecting bodies 13-16 receiving energizing force in the retreat direction of the writing bodies by an energizing means 21 and writing pressure applied on writing, being connected to receiving sections 9-12 supporting the writing bodies and being extended in the forward direction, and pushing pieces 17-20 coupled near the front ends of the connecting bodies and disposed on the outer circumference of the main body in sections being no hindrance to a hand and fingers when the main body is gripped on writing. The pushing pieces are moved forward and retreated by one finger by selection as the main body is left as it is gripped on writing, and forwarded, and one parts 17a-20a of the pushing pieces are engaged with one part 1b of the front section of the main body at the time of a writable state. Accordingly, writing and release can be conducted by the operation of one finger.