If you like soy source ramen and then you will come to akihabara, you had better to go Aoshima Ramen, i think it that it is most dedichoous soy source ramen i have ever eat , i recomend it the address is below,『3-20-1 Kanda Sakuma-cho, Chiyoda-ku, Tokyo』 『cautions』 Closed on Tuesday and Business hours are from 11 o’clock to 18 o’clock