Identify Looking for a VN — male MC, business owner, sister into his girlfriend, MC hacks girlfriend's account ,cheating

[Redak]

Details:
- Male protagonist runs a small business/agency and employs the girls (studio/agency/sandbox style).
- MC has a female friend, a sister leaning lesbian rebell, a girlfriend (he want to see if she cheats which eventually did)
- Sister is romantically/sexually interested in the girlfriend (lesbian/experimenting subplot).
- MC at one point hacks/gets into his girlfriend's account (phone/Instagram/email) — this is a key scene.
- There are cheating/NTR elements

Any title or thread link would help -- Thanks.

 

[Gato negro]

I am interested. Lets see if anybody knows.

 

[lordtokio1234]

interested too