La nobleza de las flores, 11

Several months have passed since they started dating last summer, and Kaoruko has even introduced Rintarô to his parents as his girlfriend. The seasons are changing, and summer clothes are giving way to winter clothes as the second semester draws to a close. The next big event after Kaoruko's meeting with Rintarô's parents will be the school trip! However, while everyone else is daydreaming, it seems as if something is bothering Rintarô...