Bunny senpai. Seishun Buta Yarou wa Bunny Girl Senpai no Yume wo Minai ED [Part Section]「Fukashigi no Carte」

She initially believed Adolescence Syndrome is a myth until she suffers it herself. She decides to go back to school at the end of episode 13. Support me on Patreon: Subscribe to Mother's Basement for anime and gaming videos every week: Validate me! I need the characters to be fleshed out — to have stories that make sense on an emotional and physical level. Those areas continue to grow and is becoming inconvenient. Sakuta reveals he gets to know about Mai's conflict with her manager also her mother from Nanjo, with the cost of offering the photo of his scars.
Due to lacking confidence in her appearance, a clone of hers appears with a different personality and who posts suggestive pictures of herself online to punish herself Even if the whole world hated me, I could keep living if that person needed me
She eventually regains her memories but forgets the events of the previous two years Unfortunately, this triggers her Adolescence Syndrome, causing her to be invisible to an unspecified amount of people that seemingly keeps rising
While on hiatus, she enters school but it was midway through after the students have already formed their social circles Sakuta's homebound little sister who hasn't attended school since her case of Adolescence Syndrome resolved
They later agree to literally kick each others' asses in broad daylight After Kaede regains her memories, Shoko appears to Sakuta again and helps him move past his grief after losing the Kaede he had come to know over the past 2 years
At the beach, Nodoka attempts to run out to sea before Sakuta stops and tells her that Mai indeed loves her Mai proposes to kiss with Sakuta, shown in the beginning of episode 1, but Sakuta chooses not to
A mad science woman who appears to perpetually boiling something in a flask Part of the reason is I could swear this also takes place at the same school, aka North High from Haruhi