With our definitions of Keen and Sharp we can see that all blades have similar keenness, but the razor blades are sharper than the scalpel and utility blades. Cross-section measurements of a conventional straight razor, honed to a 16k whetstone, prior to stropping.
Shikaku Nara died together with his friend Inoichi Yamanaka and several other shinobi (e.g. Ao ) when the Ten-Tails - under Madara's and Obito's commands - destroyed the Allied Shinobi Forces' Headquarters with its Tailed Beast Ball. He was killed by the Bijuu dama thrown by Ten tails to Hq, during the war.
Sai reciprocates Ino's feelings and the two marry years later, having a son, Inojin. Even after many years together Ino's love for Sai is as strong as ever, occasionally acting as love-struck as she did when they first met.
InojinBackground. Inojin is the only child of Sai and Ino Yamanaka.