Vocabulary consisting only from characters you are able to read
最高
saikou
highest, supreme, the mostjlpt3
天神
tenjin
Tenjin, god of scholarshipkami
対戦
taisen
waging war, competitionsuru
告白
kokuhaku
(1)confession, acknowledgement, acknowledgment, (2)profession of love, (3)confession of sins (e.g. the confessional) ai
降下
kouka
fall, descent, (plane) landing, (atmos.) depressionsuru