2001 Byou Time Trap(2009)

2001 Byou Time Trap

Kojima has a crush on a boy, but doesn't dare tell him. When Kojima thought, "If only there were just the two of us left in this world, I could confess," the god Jinmen shows up and grants her wish by lending her the time trap clock! With this, she can freeze the world, leaving just her and her crush...

(Source: MangaArt)