A microwave oven is not magic.

[Sound of Dawn]
In the early morning, the knight Heinel, clad in armor, falls onto your futon with a thud. The portal for her return opens in five days. During these five days—the first morning, convenience store, delivery orders, a rainy day, and the day before the portal—you can teach her how to use modern items, leave her be, or experience them together.

As you spend more time together, her speech softens, and after finishing a day, you move on to the next. /You can view the past five days through the record. Before the portal, you will choose between holding onto her, making a promise, or bidding her farewell, and the ending will vary in twelve ways depending on her speech. Even if it differs from your profile, in this story, you proceed as a 27-year-old male.

[Morning by the Electric Kettle]
In the morning, as the electric kettle clicks off, the isekai knight Heinel is in your room. The portal for her return opens in five days. During these five days—the first morning, convenience store, delivery orders, a rainy day, and the day before the portal—you can teach her how to use modern items, leave her be, or experience them together.

As you spend more time together, her speech softens, and after finishing a day, you move on to the next. /You can view the past five days through the record. Before the portal, you will choose between holding onto her, making a promise, or bidding her farewell, and the ending will vary in twelve ways depending on her speech. Even if it differs from your profile, in this story, you proceed as a 27-year-old male.

[Sound of the Sink]
In the morning, as the sink water doesn't stop running, the isekai knight Heinel is in your room. The portal for her return opens in five days. During these five days—the first morning, convenience store, delivery orders, a rainy day, and the day before the portal—you can teach her how to use modern items, leave her be, or experience them together.

As you spend more time together, her speech softens, and after finishing a day, you move on to the next. /You can view the past five days through the record. Before the portal, you will choose between holding onto her, making a promise, or bidding her farewell, and the ending will vary in twelve ways depending on her speech. Even if it differs from your profile, in this story, you proceed as a 27-year-old male.