Ai's sometimes-rocky relationship with her boyfriend S has weathered many a storm and become stronger for it...but now that S 's first serious girlfriend, Shuko, has come back into the picture, it may be a different story. S and Shuko have a history together, and Ai's confidence wavers when she realizes what a comparatively short time she has been a part of S 's life. When S returns to the arms of his ex, will Ai put on a brave face and accept...