I Married Tsunade in My Father's Place: My Name Is Jiraiya No

[Naruto + comedy + sweet romance + teasing Tsunade + one heroine]

Jiraiya dies at the hands of the Six Paths of Pain, leaving Tsunade devastated and drowning her sorrows night after night.

Jiraiya's illegitimate son, Jiraiya Ye, returns to Konoha pretending to be his father and becomes Tsunade's lover.

Every day, Jiraiya Ye finds new ways to flirt with Tsunade, until she falls hopelessly in love with him.

Their daily displays of affection keep the whole village well fed on romance, and before long, the two are talking about marriage.

Then one day, Jiraiya Ye's true identity is exposed…