She says, "I am student council president Matsumoto Rise. Nice to meet you." Oh, and I'm science teacher Nishigaki Nana. I'm always looking for new explosion buddies....
What? You're lonely because the second years are away on their school trip? Don't worry, I'll stir up some ruckus for you....
No, I'll make some tea. It's not bad getting a change of pace from my experime---BOOOOM!
It's been around since 
the Tokugawa period.
Ha estado en venta desde 
el periodo Tokugawa.
Lleva produciéndose desde la era Tokugawa.
Foi inventado no 
período Tokugawa.