"Ultramarine" link error in "After School Vanilla" page

Summary: "Ultramarine" link in "After School Vanilla" page goes to a different comic

1. https://www.fakku.net/manga/after-school-vanilla-english
2. Click on Ultramarine

Actual results: https://www.fakku.net/manga/matsuri-hold-english

Expected results: https://www.fakku.net/manga/ultramarine-english