Tsuki no Oki ni Mesu mama

Chapter 2
Chapter 1
Vol.1 Chapter 3
Chapter 1
Vol.1 Chapter 3
In middle school, Ayumu kept getting teased and pranked by Runa, even though he's a year below her. Now that she's in her second year of high school, she's ready to be the experienced senpai for the incoming freshman Runa.