Radiant and Uneasy Days with the Innocent Loli Demon Lord

The protagonist (you) lives a boring daily life in Kamitaka City.
When you wake up after coming home from your night-shift job, a mysterious black-haired girl who claims to be from another world is right before your eyes!
Calling herself Manamia Arkard, she declares that since she won the war against humanity in her previous world, she will now conquer this one—
What is Manamia's true goal? What is happening in Kamitaka City...?
A dazzling, heart-pounding cohabitation life begins now—!
◆Simple Game Overview
A cohabitation life with the Demon Lord—a girl with zero sexual knowledge, brimming curiosity, and a bit of selfishness!
There are two romanceable heroines: the main heroine Manamia and the sub-heroine landlady!
Each has her own dedicated story route, letting you enjoy intense erotic events!
Over 50 base HCGs! 98 panty styles to change into!
Over 50 regular events
Erotic event dialogue changes from the second time onward, totaling over 100 including variations!
Affection and Fondness systems, equipped for both main and sub-heroines!
It starts with light sexual harassment and peeping, and as affection and fondness rise,
the erotic content escalates more and more...!
(Both main and sub-heroines can reach full sexual intercourse)
Daily panty-change system!
As a girl, the main heroine Manamia naturally changes her panties every day,
and you can have her show you her panties every day, enjoying a different style each time!
You can throw lines at her like "So cute," "So sexy," "So childish,"
and if your relationship improves, you might even peek on the spot...?
(Purchased panties are worn automatically)
(You can also have the protagonist change into panties you want her to wear)
(The Demon Lord only wears cute panties)
Furthermore, you can go out to the park, arcade, lingerie store, and other places
to have Manamia do some lewd part-time jobs... like working at a maid café or a peeping shop
If you spend a lot of money, you can even go on dates!
At night, you can do even more various things!
Advance your interactions with the sub-heroine landlady
Play pranks on the sleeping Demon Lord
Use the panties in the laundry basket without permission
Take a stroll around "Spinal Cord"
There are all sorts of things to do during night time too!
Equipped with an erotic status system that changes based on the protagonist's (your) actions!
A touch system where all dialogue changes as fondness rises is also implemented!
Please teach this ignorant, lewd, know-nothing Demon Lord all sorts of things!
And then, please love the Demon Lord, and keep loving her forever!
That is your purpose!