A game, or series of games or whatever. Looks like there is a PC (presuable ero-) game and PS2 game.
See also
- Japanese Wiki: http://ja.wikipedia.org/wiki/Dear_My_Friend_%28%E3%82%B2%E3%83%BC%E3%83%A0%29
- Dear My Friend: http://www.yetigame.jp/products/dearmy/index.html (PC)
- Dear My Friend ~~Love like Powdery Snow~~: http://www.light.gr.jp/light/products/dearmy/dvd.htm (PS2)