To provide a new ejaculation assisting device using a highly flexible material as much as possible while solving the conflicting problem of retaining a shape retaining property, and providing a favorable use state.

This ejaculation assisting device includes: a storage container 5 used by storing it in a storage recessed section formed in a doll or at a private-part position of a part thereof or used independently; and genital organ contact members 11 stored in the storage container 5 and internally formed with genital organ contact portions coming into contact with the glans or the penis of a male genital organ. The genital organ contact member 11 has a frame member 12 molded from resin into a frame shape, and a flexible member 13 fixed to the inner circumferential face of the frame member 12 and elastically deformable, and the inside of the flexible member 13 is formed with an insertion space 17 where the male genital organ is inserted.