Megami ga Ochita Hi

A collection of short stpries:

1. Megami ga Ochita Hi (女神が落ちた日); Karin 1997-03
Monika works at "Safari Island" a huge nature park in the middle of the ocean, where people can come to see African animals of all kinds while staying at resorts. She loves the animals she works with as well as her now retired grandfather. Everyday she works hard to make sure the park runs smoothly and that her grandfather is as happy as he can be, but a helicopter that crashes into the island scarily changes everything...

2. Kowai Mono (こわいもの); Karin 1994-02
4 friends enter an amusement park and are ushered into a special attraction, where a mysterious man asks each of them to share their biggest fear. In return, he tells them the disturbing truths about their fears...

3. Kinezukan (きねづかん); Deluxe Bessatsu Shoujo Comic 1995-07-30
A group of friends who are now old and retired commiserate with each other about how they are being treated as burdens by their families. Just as they are wondering if it's sadly time for them to volunteer to move into retirement communities, two dangerous bank robbers appear and...???