There are total of three variations of retrocognition power seen in the series. The one owned by Noa and Sora are very similar as both allow the user to see the past memory of the one he/she kiss in form of dream or directly after the kiss. The main difference is that Noa sees the most traumatic memory while Sora sees the happiest memory. The one owned by Jin however, allows the user's consciousness to travel to the past of the one he/she kissed when he/she is at the most unhappiest time in his/her life. To return to the present, the user has to kiss the same person in the past again. This power appears to change the history as well.