Earlier today, Hototogisu Tairan 1553: Ryuuko Aiuts was announced for Switch via Famitsu. A few more details have since leaked out of the magazine. The current theme for Hototogisu Tairan 1553: Ryuuko Aiuts is the Battles of Kawanakajima. This theme will change following future updates. Players can also look forward to the following modes: – Invasion – Fight by yourself....