Links to The Doujinshi & Manga Lexicon:<br/><a href="https://www.doujinshi.org/book/626022/HAPPY-LIFE/">Happy Life 1</a><br/><a href="https://www.doujinshi.org/book/719672/Happy-Life2/">Happy Life 2</a><br/><a href="https://www.doujinshi.org/book/830817/Happy-Life3/">Happy Life 3</a><br/><a href="https://www.doujinshi.org/book/1003402/Happy-Life-4/">Happy Life 4</a><br/><a href="https://www.doujinshi.org/book/1057724/Happy-Life-5/">Happy Life 5</a><br/><a href="https://www.doujinshi.org/book/1071447/Happy-Life-6/">Happy Life 6</a><br/><br/>Note: Technically, this is six individual volumes with one chapter per volume.