Kikaku Hazure No Eiyu Ni Sodaterareta, Joshiki Hazure No Maho Ken Shi 2 (Monster Bunko) [Light Novel]

[Machine Translation] Rain and Marina are sent to the Reybold Magic Academy on the advice of Lilina, a munchkin magician. After humiliating Meille, a high ranking third lord, in many ways, Rain is noticed by the aristocratic students of the academy and is forced to duel with them. However, the rule of the duel is that the slaves of their choice fight each other instead of fighting each other. The reincarnated Rain, who was raised by a hero who, fortunately or unfortunately, does not know how to take it or leave it, is in a very loving, naughty, and out-of-the-ordinary fantasy!

ムッツリ魔法師・リリーナの勧めでレイボルト魔法学園へと行くことになったレインとマリナ。入学早々、身分の高い三公のミーユにいろんな意味で「恥」をかかせたレインは学園の貴族子弟から目をつけられ、彼らと決闘するハメに。ところがその決闘は、本人同士が戦うのではなく、自分の選んだ奴隷同士を戦わせるというルールで―。幸か不幸か、加減を知らない英雄に育てられた転生者レインが繰り広げる、とってもラブでエッチな規格外れファンタジー!!