Shinji, Manabu and Chinatsu grew up as neighbors and friends since childhood. Their thoughts remained hidden within themselves, causing their emotions to be trapped within their hearts. One day, Manabu revealed a secret to them, forming an unbreakable bond of trust. However, as they grew older, their feelings towards the secret began to shift. What will happen when they start to change how they feel about it?
Bonus story: I Simply Adore You.