``Let's start from here. From scratch... no, from erotica!'' Spell, an unfaithful male student, wanders into another world, loses his horns, and meets maid sisters who can't survive without a regular supply of mala. Using the power of 'cumming return' to rewind time by cumming, Spell repeats loneliness and ejaculation in order to save his sisters. In order to regain the irreplaceable climax that must have been there...