While hiding big thought in a small chest…. The Small Tits Rezubian Series second. May not be with a favorite person together all the time…It may not be happy. For the relations that a friend is more than it in Koto that "the Yuu" and "the Megumi" which are same as always kissed it in childhood friends in a house in an opportunity. However, two people toward the separate courses are almost crushed for uneasiness to become separated from loneliness not to be able to encounter as before after graduation with graduation close at hand. One day the Yuu embraces Megumi, and two people deepen Ai before long; and Iku…As if savor the time that was totally had left….