In the Rascal Does Not Dream of Bunny Girl Senpai light novel series, we follow Sakuta as he meet various teenagers suffering from Adolescence Syndrome, a phenomenon which causes various effects to its victims and those around them.

These includes:

• Mai, the bunny girl senpai who starts becoming invisible and incorporeal to everyone, to the extent of becoming completely wiped from people's memories
• Tomoe, a first year student who traps Sakuta in a time loop
• Nodoka, the younger sister of Mai who swapped bodies with Mai