Renai Boukun - Vol. 11 Ch. 44 - Forty-fourth Episode♥

[MangaDex]

 

[Velsy]

ahaha, he know where Shikimi was looking ( ͡° ͜ʖ ͡°)

 

[derpman568]

lmao i just read yuuna and the haunted hot springs manga and this exact chapter "turn back into kid and lose memories of present self" was there so I guess its just a universal anime thing

 

[hikki8man]

the reason he became like that was because of puberty and the world intervention.

 

[Tatherwood]

SHOTA!!
Ehem, no, I mean-SHOTA!!
No no no, let's calm down...SHOTA!!

It's okay, Aino-kun. Let Akane-oneechan ara ara you all night long, hehheheheheeh.

 

[BadHaremSchollar]

lmao i just read yuuna and the haunted hot springs manga and this exact chapter "turn back into kid and lose memories of present self" was there so I guess its just a universal anime thing

It was super common in late 2000s harems and on old school comedies.

When Harem started dying it stop being a thing