Timothyc

Im playing if my heart had wings on Android, i have cleard a 1st chapter im now 2nd chapter.Im want to take a kotori ending first but in the first conversation in 2nd chapter i cannot choose "go home with kotori" and "go with ageha", i only can choose " go to asa". Im cannot sleep for 2 days just to thing how to solve the problem, i pretty sure i follow the guide to kotori route. If anyone can help me please (sorry if my English bad)