The key to reading manhwas is to immerse yourself in the story. Pay attention to the details in the art and the expressions of the characters. You could also join online communities or forums to discuss and get different perspectives on the manhwas you're reading.
Ichigo and Tia could be characters from a specific anime or manga series. Without more context, it's hard to say exactly which ones, but they're likely to be characters with unique personalities and abilities that fans have decided to pair up and give a baby in this fanfiction.
You can try some adult-oriented comic websites. But be aware that accessing such content may have legal and ethical considerations depending on your region.
Some popular platforms to read manhwas are Lezhin Comics and Tapas. Both offer various genres and stories to choose from. Also, you might find some on Naver Webtoon, which has a large user base and a diverse range of titles.
You might find manhwas on apps specifically designed for comic lovers. Check out apps like Tappytoon. Also, some libraries might have digital collections of manhwas that you can access with a membership.
Websites like Lezhin Comics and Tapas often have a good collection of manhwas. You could also check out manga apps on your mobile device. Just search for manhwa reading apps in your app store.