seido no shikkō'expiration' of an institution

Taihen ni go-rippuku no yō datta.S/he seemed to be quite angry.

gaimushō ga sakusei suru kōdenofficial telegrams that the Ministry of Foreign Affairs produces

Waratte ita‥‥ Sōbi wa‥‥ shi ni mukatte ochite iku sono aida mo zutto‥‥ Tasukaru hōhō wa atta‥‥ Dakedo Sōbi wa—— boku o korosu—— saigo no chansu ni kaketa‥‥‼ Jibun no inochi o sutete made boku o‥‥ sō made shite‥‥Sōbi... was looking at me and smiling… the whole time he was falling to his death... He could have gotten away... But Sōbi— still wanted to use his last chance— to kill me...!! He was willing to throw away his own life… only to end me...