School Memories Reversible

This is a love sim AVG.
There is an understory (betrayal, cuckoldry).

Simulation + Adventure Novel Game
Character voices: Kaede Akino, Yayoi Nikki a.k.a. Hidane
CG count: 24 base images
Scene count: 4 normal, 16 adult
Format: EXE (application)

Story

It was a warm December in Shinfuyumachi.
Souta Hirama was in his graduation year, and his mind was on
the coming semester as winter vacation approached.

He passed the time making Christmas party plans with friends,
for which he was beginning to make a Santa costume.

* Prologue
Visual novel style linear scenario
Character introductions, lead-in to the story

* Main story
Simulation AVG style gameplay
Choose locations, how time is spent, try to make a serious relationship
with one of the heroines in the time of winter vacation

* Understory
Visual novel style 4 short scenarios
Cuckoldry from the perspective of each heroine assuming a "bad" route