It is an application that contains haiku and waka terms.
You can search for terms even when you are out and about without having to carry around a seasonal calendar, allowing you to enjoy haiku more easily.
About 50,000 words are recorded. All of them are accompanied by explanations, and about 7,700 related example sentences (haiku and waka) are also included.
The plan offers 4 types of packs after a one-month free trial. You can purchase it according to your needs. It can be used by a wide range of people, from those who want to study haiku and waka poetry to those who want to create more elaborate works.