SL
-co-existing timelines
-age reversals/past/present alteration of characters
SL
-jumping from past/present
-butterfly effect
SL
-jumping from past/present
-butterfly effect
-multiple timelines
SL
-jumping from past/present
-reverting to past
SL
-regression 1+
-awareness of past lives
-co-existing timelines
BL
-awareness of past/future
-awareness of past lives
-co-existing timelines
BL
-regression 1+
-multiple timelines
GL
-awareness of future possibilities
-capable of changing future in present
GL
-frozen in time characters
-age reversals/past/present alteration of characters
NON-ROMANCE
-regression 1+
-multiple timelines
Jibaku Shounen Hanako-kun