The happy Marriage of the wizard linnMahoutsukai Linn no Shiawase na Kekkon; 魔法使いリィンの幸せな結婚; The Happy Marriage of the Wizard Linn

The hero who is now age (16) who defeated the Demon King at the grand age of 11 and brought light and peace to the world breaks into the room of the NEET wizard (32) and presses for marriage! Authors Twitter https://twitter.com/tanitakeC Source: https://seiga.nicovideo.jp/comic/48991