BIO SECRET (Silent 4)

Synopsis

■STORY

After school on Friday, Aoki, a member of the photography club, takes Rin and Shinjo to an abandoned ruin.

The ruins on Kokkotsu Mountain are said to be cursed, with rumors warning that no one should approach them.

However, ignoring such warnings, the three who enter the ruins find themselves in a dire situation.

Sudden rain traps them inside, screams echo out, and Shinjo goes missing.

Worse still, Rin is abducted by a mysterious man.

On the PC monitor in the room appears footage of Rin being assaulted by a middle-aged man.

■H-SCENES

NTR/cuckolding focus.

With some pure love and monster content included.

Heroines feature voice acting in H-scenes.

■SYSTEM

Exploration action game with combat mechanics.

Physical attacks using knives and axes, ranged attacks with guns, and explosive attacks with grenades.

Features CG gallery and reminiscence mode.

■SPECIFICATIONS

CG Count: 21 base images + variations

H-Events: 21 types

Endings: 2

H-Scene Voice: “Fighting Heroine Voice Material Collection – Rokujou Yukari”

※CG Production

6 newly created event CGs + variations

Additional event CGs reused and edited from previous work “Spirit Seeker: Can’t Rin Resist Being NTR’d!?”

■CHARACTERS

□Aoki Osamu

Photography club member and ruins enthusiast. Recently interested in photographing ruins.

□Sayama Rin

In a relationship with Aoki for six months. Normal personality, somewhat timid.

Terrorized by fear as she’s trapped in the ruins.

□Shinjo Atsushi

Photography club member like Aoki. Gets along well with him, though bothered by Aoki’s relationship with Rin.

□M

Mystery man who traps the three in the ruins.

Abducts Rin and repeatedly assaults her.