Is The Order a Rabbit? ~Dear My Sister~

Cocoa visits her family, in the mountains, after quite some time again after her sister Mocha wrote her, through a letter, to come back soon. Her friends will have to spend a week in the town without her, while Cocoa has time with her family that she hasn’t seen for a long time. But Chino, Cocoa’s self proclaimed little sister, wants to go watch, with Cocoa and all her friends, the fireworks in the fireworks festival, which is coming up in less than a week. Cocoa decides to return early as she misses them all, but will she arrive in time for the climax of the festival?

故事背景是在「Rabbit House」第二年的暑假，依舊想要與智乃等人創作許多回憶的心愛，不知道為什麼拿著行李獨自站在車站？究竟心愛要前往何方？縱使麻耶與小惠一起光臨「Rabbit House」，但少了心愛的狀況下還是少了點熱鬧的氣氛。因此智乃鼓起他小小的勇氣，邀請大家一起去參加煙火大會……